Mr A owns a bundle shop. He bought 100 units of bundle shirt from the supplier which cost him RM10 for each shirt per month. There will be 15% of labor and operating cost incurred. 20% of the shirts are expected to be sold at reduced price of RM5 to attract buyer. If he wants to maintain 75% markup on cost on the entire purchase per month, find: (a) Markup Price (b) Selling Price (c) Markdown Percent (d) Gross Profit (e) Net Profit