Solve the following problems: 1. A retailer purchased 12 boxes of ball pens at P4,800.00. Each box contained 50 pieces of ball pens. If he added 35% mark-on based on cost, determine the: a. mark-on per ball pen b. selling price per ball pen 2. R. Torres pays P900.00 per dozen for plastic containers. If his cost-based mark-on is 30%, what is the selling price of each container? 3. The manufacturer suggests a selling price of P210.00 each for plastic chairs that costs P1,800.00 per dozen. What mark-on based on cost is the manufacturer suggesting? 4. A merchant decided to sell a travelling bag for P1,125.00 from which he made a 25% mark-on rate based on cost. How much did he pay for the bag? 5. Ms. Padua bought the following: Cost of Each Item 40 Pairs of shoes Item a. 25 T-shits b. P950.00 c. 30 Bags P320.00 Find the cost-based mark-on rate for each item. Selling Price for Each P130.00 P182.00 P1,377.50 P432.00 6. The cost of a merchandise is P2,800.00. If a 35% mark-on based on selling price is imposed, find the: a. selling price of the merchandise b. amount of mark-on based on selling price 7. Raymond wishes to have a selling price of P1,250.00 for a computer table which he bought for P800.00. Find the a) mark-on and b) rate of mark-on based on selling price. 8. Jocelyn sold the following items based on their selling prices. Selling Price for Each Selling Price- Based Mark-on Rate Item 25% 30% 40% Item 24 umbrellas 45 baby dresses lady belts 18 P50.00 P85.00 P140.00 Find how much: a. she purchased each of the items b. was her total sales for all the items 9. A fruit vendor bought 20 boxes of oranges for P7,000. Each box contained 100 oranges. If 5% of the oranges will be spoiled, what should be the selling price per orange in order to make a 40% mark-on rate based on cost? 10. A vegetable dealer sells pechay at P40.00 per kilo. If 10% of pechay will not be sold due to spoilage, how much should he buy the pechay per kilo to make a mark-on rate of 30% based on selling price?