Cara Hemingway worked $40$ hours straight time at an hourly rate of $$15\mathrm{.}50.$ She worked $13$ hours overtime; $5$ of those hours on Labor Day.

$8.$ Straight$-$time earnings $=$

$9.$ Time and one$-$half earnings $=$

$10.$ Double$-$time earnings $=$

$11.$ Gross earnings $=$

C$.$ Calculate gross earnings based on salary, salary plus commission, and compensation by piecework.

$5\mathrm{.}2$IVEs $2,3$

$12.$ Julian Alonso earns $$72,000$ annually at Howard University. Julian has elected to have his salary paid over $9$ months. What is his monthly salary?

$13.$ Deloris Smith works as a clerk in a jewelry store. She earns $$200$ per week straight time, plus $10\%$ on all sales over $$2,000.$ This week she sold $$8,990$ worth of jewelry. What are her gross earnings this week?

$14.$ Juan Martinez finishes cabinet doors and is paid $$10\mathrm{.}50$ per door. On Monday he finished $10$ doors, on Tuesday he finished $12$ doors, on Wednesday he finished $11$ doors, on Thursday he finished $15$ doors, and on Friday he finished $8$ doors. What were his gross earnings for the week?