A. Jamie signed a 210 - day simple discount note for $ 17700 with a bank with a discount rate of 6 % %, find the proceeds. ( 2 Marks ) 6. Chow Meng plans to invest $ 10180. Find the interest rate required for the fund to grow to $ 11338.50 in 16 months. ( 2 Marks )

B. Johnson invests $ 7500 at a rate of 7 %%. Find how long it will take for his investment to earn $ 245 In interest. ( Round to the nearest day ) . ( 2 Marks )

C. Afiya Pharmacy buys Covid - 19 Saliva Test kit for $ 360 per box of 12. Find the selling price per box of the test kit if the retailer maintains a markup of 25 % on the selling price. Round to the nearest cent . ( 2 Marks )

D. Fong Electronics pays $ 1435 for a robot vacuum cleaner. The original selling price was $ 2175 but it was marked down 35 %. If operating expenses are 23 % of the cost, find the operating loss. ( 2 Marks )