If 31200 dollars is invested at an interest rate of 6 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent. (a) Annual: \( \$ \) (b) Semiannual: \( \$ \) (c) Monthly: \( \$ \) (d) Daily: \( \$ \)

. Emereceu um desconto de \( 20 \% \) em oferciante todos os produtos de sua loja, apenas para as compras com pagamento à vista. Mariana gostou de uma calça que custa R\$ 135,00 . Se ela pagar à vista, de quanto será o valor final da calça?

a. Sarfo borrowe of \( \$ 25.000 \) from AFLAk financial services at \( 21 \% \) simple intrest per annum for 3 years. if he was able to pay back the loan in 2 years af equal yearly instalments, how much did he pay each year?

Halla ona faca equetiva si la tasa s del \( 34 \% \) nominal sementrol

3. ( Ingreso marginal ) Si la ecuación de demanda es \( 10 p+x+0.01 x^{2}=700 \), calcule el ingreso margina cuando \( p=10 \)

M.6.PS-7 Marsha deposited \( \$ 9,500 \) into a savings account 2 years ago. The simple interest rate is \( 2 \% \). How much money did Mars