13 Micah invests \( \$ 4000 \) for 3 years at \( 2.75 \% \) per year compound interest. Work out the value of the investment at the end of 3 years.

The original price of a tablet was \( \$ 550 \). During a sale, Melvin was given a 30\% discount for the tablet. How much did he pay for the tablet?

Find the final hourly wage if a \( \$ 9.00 \) starting wage is increased by \( 4.5 \% \) each year for 8 years.

Phil is shopping for an annuity that guarantees he CANNOT outlive the benefits. Which of these benefit options would he choose?Accelerated lifetime benefitGuaranteed lifetime withdrawal benefitRight of income riderGuaranteed minimum accumulation benefit

(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.

Suppose you want to have \( \$ 700,000 \) for retirement in 25 years. Your account earns \( 4 \% \) interest. a) How much would you need to deposit in the account each month? b) How much interest will you earn?