When a seller uses group pricing, menbers of the same group pay a price above their marginal benefit. an individually negotiated price. ane same price for a product. an escalating price.

George invests R 800 at \( 10 \% \) p.a. simple interest. After 2 years the interest rate changes to \( 12 \% \) p.a. Determine the final amount which he will receive after 5 years.

se a separate plece of A4 paper and do the following calculations (use a colculator to hatp ou): Calculate the final amount which I shall have available if I invest \( R 8000 \) for 5 years at \( 11 \% \) p.a. simple interest.

Let's Start answer in your notebook. 1) A doll was sold for Php 2,460 with a \( 18 \% \) discount. What was the original price of the doll? 2) How much money did Mr. Deo Lagario deposit to his bank account if at the end of a year, it earned an interest of Php 413.00 at 3.5 interest rate? 3) Mrs. Melanie Lazo pays Php 15.75 for each hair clip to its supplier. She decid ed to add markup of Php 3.15. What is the markup?

(b) A dealer purchased some goods marked at ₹ 2,000 at a discount of \( 20 \% \) and \( 5 \% \). He sells the same at a discount of \( 15 \% \) and \( 5 \% \). Find the amount of gain or loss to him.

Fantasy Suppliers anticipates annual sales of 60000 units at R40 per unit, a purchase price of R30 per unit, an ordering cost of R2 per order, and a carrying cost of 10 percent of the purchase price.