A carpet salesman earns a base pay of \( \$ 19,800 \) per year and a commission of \( 12 \% \) of all sales made. If he sold \( \$ 27,200 \) worth of merchandise last year, what were his total earnings last year? A. \( \$ 23,064 \) B. \( \$ 43,736 \) C. \( \$ 44,624 \)

9.1 How much must Peter invest now, at \( 9,5 \% \) p.a. compounded quarterly, if he wants to have \( R 40000 \) after 6 years? Convert \( 20 \% \) p.a. effective to a nominal rate, compounded monthly. Mike opens a savings account with a deposit of \( R 60000 \). He leaves the money in the account for 7 years. The interest rate for the first 3 years is \( 2,7 \% \) p.a. compounded quarterly and for the remaining 4 years it is \( 3,2 \% \) p.a. compounded monthly. How much money will be in Mike's savings account at the end of the 7 -year period? Sarah deposited \( R 6000 \) into her bank account 10 years ago. Six years ago, she withdrew \( R 2000 \). Interest is calculated at \( 7,6 \% \) p.a. compounded monthly. How much money is in the account at present?

407. Bank goýumçylara her ýylda \( 2 \% \) girdeji berýär. Banka 1) 20000 man goýan goýumçy; 2) 30000 man goýan goýumçy bir ýylda näçe girdeji alar?

\( \begin{array}{ll}\text { 2) } 6,5 \% \cdot y=3,3 ; & \text { 4) } \frac{3}{4} \% \cdot y=3 \frac{1}{2}\end{array} \begin{array}{l}\text { 407. Bank goýumçylara her ýylda } 2 \% \text { girdeji berýär. Banka 1) } 20000 \\ \text { man goýan goýumçy; 2) } 30000 \text { man goýan goýumçy bir ýylda näçe girdeji }\end{array} \)

and savings account. If he put \( \$ 180 \) into his savings account, what percentage of the total deposit did he put in his checking account?

Oppgave 2 Når Oslo Børs stenger for dagen er en type aksje verdt 42 kr . I løpet av dagen har aksjen økt i verdi med \( 20 \% \). Hvor mye var aksjen verdt da Oslo Børs åpnet denne dagen?