Cost of acquiring customer(CAC) – Marketing expenditure/No.of customers acquired  unit economics Sales                                   xx (-)Cost of Goods sold       xx  Gross Profit                   xx (-)Payment gateway charges(Razorpay)      xx (-)Logistics/Shipping                        xx (-)Marketing Expenses                       xx (-)Salaries                                            xx Contribution margin 2 fixed cost Earnigs before interest tax and depreciation -)interest Earnings before taxes -)Taxes Earnings after taxes   https://dhrutivisions.com/