The total amount earned by the sales rep is $465.
The total amount earned is a function of the total hours worked and the total units sold.
Total amount earned = (pay per hour x number of hours worked) + (pay per item sold x total items sold)
($12 x 20) + ($15 x 15)
$240 + $225 = $465
To learn how to calculate total amount earned, please check: https://brainly.com/question/4264956
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