1. A retailer purchased a printer at a cost of Php 3,500. The operating expenses incurred were 5% based on cost. The retailer wanted a 10% profit based on cost. Determine the following:

a. selling price
b. net profit
C. equilibrium price
d. new sales price if the retailer sold the printer at a 10% discount
Total net profit or loss based on the sales price in point (d).