A store purchased a DVD for $15.00 and sold it to a customer for 50% more than the purchase price. The customer was then charged a 7% tax when the DVD was sold. What was the customer’s total cost for the DVD? Round your answer to the nearest cent.

$24.1

Step-by-step explanation:

$15+ 50%= $22.5

$22.5+ 7%=$24.075

24.075~24.1

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b