Dalol trading had experienced in its business operation;Unit selling price of birr 100,Sales 50000,total fixed cost of birr 400000 and total variable cost of birr 3000000. Based on the given iformation answer the following questions Required i. TR, TC, and profit functions for the company in terms of quantity ii. Find the breakeven point in terms of quantity and sales volume iii. If profit had been birr.500000 what would be the sales volume and quantity iv. what would be the profit if sales are birr 2000000