6. a store pays 3% commission on the first $500 in sales and 9% commission on any amount over $500.\na. find…

6. a store pays 3% commission on the first $500 in sales and 9% commission on any amount over $500.\na. find the commission on a $375 sale.\nb. find the commission on an $872 sale.
Answer
Answer:
a. $11.25 b. $43.48
Explanation:
Step1: Calculate a's commission
Since $375<500$, use 3% rate. $375\times0.03 = 11.25$
Step2: Calculate b's amount over $500
$872 - 500=372$
Step3: Calculate b's commission for first $500
$500\times0.03 = 15$
Step4: Calculate b's commission for amount over $500
$372\times0.09=33.48$
Step5: Calculate total b's commission
$15 + 33.48=43.48$