A dealer purchases 10 printers at the price of RM500 each. The estimated operating expenses are 20% based on cost and the net profit is 15% based on cost. a) Find the breakeven selling price b) Find the original selling price c) Find the net profit d) Find the operating expenses e) If the dealer manages to sell 7 printers at the original selling price and the remaining 3 printers at 25% mark down, find the new selling price of the three printers. Determine the total net profit.