Case 008Costing, pricing and unit economicsWarm up
A quick commerce dark store handles 1,500 orders a day. What does each order contribute, and how many orders a day does the store need to break even?
1The situation
A Jhatpat Bazaar dark store, a small warehouse that serves app orders within a few kilometres, handles 1,500 orders a day. The average order is Rs 450. Gross margin on the goods is 18%, discounts and coupons cost 4% of order value, and each delivery costs Rs 45 in rider pay and fuel. Rent, staff, power and the manager cost Rs 12 lakh a month, regardless of orders.
2Your task
Work out contribution per order, the breakeven order count, and what the store manager should push on first.
Quick check
Roughly how many orders a day does the store need to break even?
Worked solution
Try it on paper, then open one step at a time.
30-second answerThe answer to give first
Each order contributes Rs 18, so the store breaks even at about 2,222 orders a day; at 1,500 it loses about Rs 13,000 a day, or Rs 3.9 lakh a month. Gross margin of Rs 81 is mostly eaten by Rs 45 of delivery and Rs 18 of discounts. Because fixed cost is fixed, order density, more orders from the same store, is the lever, followed by basket size.
Step 1What does one order actually leave behind?
Walk down from the basket. Rs 450 of goods at an 18% margin leaves Rs 81. Discounts take 4% of the basket, Rs 18, and the rider takes Rs 45. Contribution is Rs 18 an order, 4% of what the customer pays, and that is what must cover the store's rent and staff. The contribution marginRevenue less the costs that rise with each extra unit sold. It is what each unit adds toward fixed costs and then profit. is thin because delivery is a fixed rupee amount per order while margin is a percentage of a small basket.
Step 2Where is breakeven, and how far away is it?
Rs 12 lakh a month is Rs 40,000 a day. At Rs 18 an order, the store needs about 2,222 orders a day to cover it, 48% more than today. At 1,500 orders contribution is Rs 27,000 a day against Rs 40,000 of fixed cost, a loss of Rs 13,000 a day. A tea stall with fixed rent works the same way: the first hundred cups pay the landlord and only the cups after that pay the owner.
Step 3Which lever should the store push first?
Size each lever in orders. Raising the average basket to Rs 520 lifts contribution to Rs 27.8 and cuts breakeven to about 1,439 orders, because margin and discount scale with the basket while delivery does not. Cutting delivery cost to Rs 38, through batching two orders per trip in busy hours, lifts contribution to Rs 25 and breakeven to about 1,600. More orders from the same store attacks the fixed cost directly. Cutting discounts helps contribution but usually costs orders, so test it rather than assume it.
Say the limit. These numbers treat rider cost as purely variable, but riders are often paid partly by shift, so at low volume delivery cost per order rises. Gross margin also includes any fees brands pay to be listed, which may not survive a slowdown. A dark store is a fixed-cost box; the plan that works is the one that fills it, and the unit economics say how much filling it needs.
Where candidates lose it
Candidates compute gross margin of Rs 81 an order and declare the store profitable at 1,500 orders, forgetting that delivery and discounts are per-order costs that come before fixed cost.
The second miss is mixing time units: Rs 12 lakh is monthly, orders are daily. Convert to a day, Rs 40,000, before dividing, or the breakeven comes out thirty times too high.
What the interviewer asks next
- What happens to breakeven if the company charges a Rs 15 delivery fee on baskets under Rs 300?
- How would you decide whether to open a second store two kilometres away?
- Which costs here are really semi-variable, and how would that change the chart?
Company names and figures are illustrative.
