The SSG Organization plans to sell cupcakes to raise a fund. A bakery charges them P15.00 for the first 100 cupcakes. After the first 100 cupcakes they purchase up to 150 cupcakes the bakery
reduces the price to P13.50 per cupcake. After they purchased 150 cupcakes, the price lower to
P10.00 per cupcake. Write a function that models this situation. In this scenario you need to use
Piecewise function to model the situation,