The total cost after tax to repair Deborah's computer is represented by 0.07(80h)+ 80h, where h represents the number of hour it takes to repair Deborah's computer. What does each part of the expression represent?
a. 80
b. 80h
c. 0.07
d. 0.07(80h)
e. if it took 3.5 hours to repair the computer, how much would Deborah have to pay including tax?
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