Brett sells farm equipment. He earns a base salary of \( \$ 21,000 \) per year. He also earns a commission of \( 6 \% \) on all sales that he makes. This year he sells \( \$ 260,000 \) of equipment. What is his total salary, including commission? Write an expression and find the answer. Iswer:

Compute the following expression. \[ 340.00(1+0.04)\left[\frac{(1+0.04)^{28}-1}{0.04}\right] \] The value is approximately \( \square \).

Compute the following. \( 5000.00(1+0.04)^{-21}+125.00\left\{\frac{1-(1+0.04)^{-21}}{0.04}\right\} \)

Beki works for her mother's public relations firm. During the week, the firm charges Beki out at \( \$ 35 \) an hour, and pays her \( 60 \% \) of that. On weekends, they do charity projects at half the normal cost. Beki earns half her normal pay. The firm pays a \( \$ 30 \) bonus to any employee who participates in a weekend project. How much does Beki earn for one ten-hour weekend project?

3. Georgeanna wants to buy a copier for the office. The copier costs \( \$ 599 \). She can pay for it all at once, ar she can make monthly payments. She makes monthly payments. She puts \( \$ 100 \) down, and pays \( \$ 25 \) a month for 24 months. Which way of paying costs more? By how much? Answer: The difference is \( \$ \)

[-/1 Points] DETAILS MY NOTES SCOLALG7 4.5.091. Find the time required for an investment of \( \$ 3000 \) to grow to \( \$ 8000 \) at an interest rate of \( 7.5 \% \) per year, compounded quarterly. (Round your answer to two decimal places.) Need Help? Readli Wateh it