Bite Sized Breakeven Slides Street Food MBA
Lesson 1: Business Math
Bite-Sized
Break-Even Analysis
Master the food truck financial formula. Discover how many tacos, coffee cups, or donuts you need to sell to pay the bills and start pocketing profit!
Business Segment
Food Trucks & Cafes
Key Formula
Fixed Costs / Unit Margin
Slide 1 of 7
Classifying Costs
Slide 2 of 7
Fixed Costs
Must pay, no matter what
Expenses that do not change based on how many units you prepare or sell. You pay these even if you make zero sales!
Truck/Cafe Examples:
Truck Permit / Rent
Flat Insurance Fee
Wifi & Music License
Salaried Manager Pay
Variable Costs
Scales with every sale
Expenses that scale directly with your business volume. If you sell more, these costs go up proportionately!
Truck/Cafe Examples:
Fresh Ingredients
Disposable Packaging
Cooking Gas & Fuel
Credit Card Swipe Fee
Think Like an Owner: If you close the food truck for a rainy week, which costs do you still have to pay?
Step 1: The Magic Unit Margin
Slide 3 of 7
What is
Unit Margin?
Also known as Contribution Margin . It is the amount of money leftover from one single sale after paying its variable costs.
This leftover cash acts like a brick. You stack these bricks to climb out of your "Fixed Costs" hole and reach profitability!
The Formula
Selling Price (P) $5.00
Variable Cost (VC) -$1.50
Unit Margin (CM) $3.50
Every item sold contributes $3.50 toward paying off your rent and licensing.
If variable costs are higher than your selling price, you lose money on every sale! Fix your pricing first.
The Golden Ratio
Slide 4 of 7
The Break-Even Point (BEP) Formula
How many individual items must you sell in a period (e.g., daily or monthly) to make exactly $0 in net profit —where Total Cost matches Total Revenue?
Break-Even Units Q
=
Fixed Costs
Unit Margin (Price - Variable Cost)
Below BEP Net Loss 🔴
Exactly BEP Zero Profit/Loss 🟡
Above BEP Net Profit 🟢
You are not in business to break even—but you MUST break even before you can profit!
Food Truck Case Study
Slide 5 of 7
Case Study
The Rolling
Donut Truck
Imagine you run a specialty donut truck. Let's calculate exactly how many craft glazed donuts you need to sell per month to break even!
Monthly Truck Lease $2,400 / mo
Glazed Donut Price $4.00 each
Variable Ingredients $1.00 each
Let's Compute step-by-step:
1
Calculate Unit Margin Price - Variable Cost
$4.00 - $1.00 = $3.00
2
Apply Break-Even Formula Fixed Costs / Unit Margin
$2,400 / $3.00
Break-Even Point 800 Donuts / Month Which is about 27 donuts daily!
What happens to our break-even point if ingredients drop to $0.50 each? Let's discuss.
Strategic Decision Making
Slide 6 of 7
Lowering Your Break-Even Point
Lower break-even points reduce the risk of your business. How can you lower it strategically?
1. Raise Price
Increasing price widens your unit margin, meaning each sale takes a bigger bite out of your fixed costs.
Risk: Customers might buy less if the price is too high.
2. Cut Variable Costs
Negotiate bulk rates for coffee beans, cups, or flour to lower your ingredients spend.
Risk: Cheaper ingredients might decrease food quality.
3. Reduce Fixed Costs
Rent a cheaper prep kitchen, cancel unnecessary software subscriptions, or share permits.
Risk: A cheaper location may have less foot traffic.
Entrepreneurs must constantly balance price, volume, and quality!
Your Turn!
Slide 7 of 7
Ready to Calculate?
Grab your Bite-Sized Break-Even Worksheet .
🌮
The Taco Cruiser
Classify ingredients, license fees, and find out their daily break-even!
🧇
Waffle Wonders
Optimize waffle unit margins and advise on a pricing strategy raise!
Get your calculators ready! Let's start the worksheet.
Bite Sized Breakeven Worksheet Street Food MBA Series
Bite-Sized Break-Even
Topic: Fixed vs. Variable Costs & Break-Even Calculations
Name: ___________________________
Date: ____________ Class: _____
Part 1
Warm Up: Classification Station
Before we calculate, we must classify. Check the correct box for each expense of running "The Roasted Bean" Cafe .
Expense Item
Fixed Cost
Variable Cost
1. Espresso beans and milk
2. Monthly building rent
3. Cups, lids, and napkins
4. Annual business permit
5. Credit card merchant swipe fees
Part 2
Case Study A: The Taco Cruiser
The legendary Taco Cruiser food truck sells award-winning beef birria tacos. Financial parameters:
Selling Price (P) $4.50
Variable Cost (VC) $1.50
Fixed Costs (FC) $120.00 daily
1 Calculate the Unit Contribution Margin for a single beef taco.
Formula: Unit Margin = Selling Price − Variable Cost
Show Your Work:
Unit Margin = $ _______________
2 Determine how many tacos the Taco Cruiser must sell daily to break even.
Formula: Break-Even Quantity = Daily Fixed Costs ÷ Unit Margin
Show Your Work:
Daily Break-Even Point = ____________________ tacos
Turn page over for Case Study B & Strategy Challenge Page 1 of 2
Case Study B & Strategic Advisor
Street Food MBA Series
Part 3
Case Study B: Waffle Wonders Cafe
Waffle Wonders Cafe sells high-end gourmet waffles. Since they have a permanent brick-and-mortar storefront, their fixed costs are higher:
Selling Price (P) $6.00
Variable Cost (VC) $2.00
Fixed Costs (FC) $3,600.00 / mo
3 Calculate Unit Margin
Show Your Work:
Unit Margin = $ _________
4 Calculate Monthly BEP
Show Your Work:
BEP = ____________ waffles
Part 4
Strategic Decisions: The Pricing Pivot
The owner of Waffle Wonders is worried that their monthly break-even point is too high. They are considering raising their price to $7.00 per waffle . Fixed and variable costs remain the same.
5 Calculate the new unit margin and new monthly break-even point.
New Unit Margin: $ _____________________
Bite Sized Breakeven Answer Key Teacher Resource & Solution Manual
Bite-Sized Break-Even KEY
Topic: Fixed vs. Variable Costs & Break-Even Calculations
Grade Level Intro Entrepreneurship
Teaching Tip: Ensure students understand that unit margins are not "take-home profit" yet—they are the cash contributed to chip away at the constant mountain of fixed expenses. Explain that businesses with high fixed costs (like restaurants) carry higher risk than low fixed-cost businesses (like freelance consulting).
Part 1
Warm Up Solution: Cost Classification
Expense Item
Fixed Cost
Variable Cost
1. Espresso beans and milk
—
✅ Variable
2. Monthly building rent
✅ Fixed
—
3. Cups, lids, and napkins
—
✅ Variable
4. Annual business permit
✅ Fixed
—
5. Credit card merchant swipe fees
—
✅ Variable
Part 2
Case Study A Solution: The Taco Cruiser
1 Calculate the Unit Contribution Margin for a single beef taco.
Calculation Method: Unit Margin = Price − Variable Cost$3.00 per taco
2 Determine how many tacos the Taco Cruiser must sell daily to break even.
Calculation Method: Daily Break-Even = Daily Fixed Costs ÷ Unit Margin40 tacos daily
If the truck sells exactly 40 tacos, they will cover all costs but make $0 net income.
Bite-Sized Break-Even Teacher Guide Page 1 of 2
Case Study B & Strategic Solutions
Teacher Resource Manual
Part 3
Case Study B Solution: Waffle Wonders Cafe
Q3: Unit Margin
Price − Variable Cost$4.00 per waffle
Q4: Monthly Break-Even
Fixed Costs ÷ Unit Margin900 waffles / month
Part 4
Strategic Pivot Solution
Q5: New Price ($7.00) Calculations
New Unit Margin:
New Break-Even Point:
Q6 Grading Rubric: Advisor Challenge Justification
Full credit should be awarded for answers that demonstrate an understanding of the trade-off between price increases and sales volume. Either position (Yes or No) is acceptable if supported:
