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1. Miss Gabatan, owner of Octagon purchased 500 units of ACER Core 13 laptops from Miss Mabunga, a manufacturer, at P19,000.00 each. How much will be the MARK-UP for each laptop if Miss Gabatan sells to the reseller at P27,000.00 each? How much will be the total MARK-UP of the purchased laptop.?

2. Mr. Tinaja, owner of PC computer shop purchased 5 units of ACER Core i3 laptops to Miss Gabatan at P27,000.00 each. However, Mr. Tinaja erroneously sold 3 units Acer Core 13 laptops to Mr. Salvador at P26,000.00 each. How much will be the total loss of Mr. Tinaja?

3. Find the compound amount and compound interest at the end of the year if P20,000.00 is invested at 15% annual interest compounded monthly.

4. Miss Maragrag is receiving regular salary of P50,000.00 a month. The mode of payment of the employer is every 15th and 30th or 31st day of the month. What will be the NET EARNINGS if Miss Maragrag shows the following deductions:

SSS Premium P2,500.00
Pag-ibig P300.00
Philhealth P400.00
Coop Loan P15,000.00
Bank Loan P20,000.00

5. Miss Barrete, a sales agent of Miss Mabunga made a sale of P9,500,000.00 or 500 uni of ACER Core i3 sold to Miss Gabatan. She is earning 9% of each unit of ACER Laptop. How much is her commission per unit. How much is her total commission for 500 unit sold laptop?​