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Elisha just opened a bakery along Macalintal Avenue which sells fresh doughnuts. The selling price is ₱20. 00 per doughnut and the cost of making it is ₱8. 00 The daily operating expense is ₱600. 0.
a. Find the profit function P(x) where represent the number of doughnuts sold.
b. If 100 doughnuts were sold, what is the total profit?
c. How many doughnuts must be made and sold to break even?
d. How many doughnuts should be sold to gain a profit of ₱600. 00?.