Martinez Corporation sells computers under a 2-year warranty contract that requires the corporation to replace defective parts and to provide the necessary repair labor. During 2017, the corporation sells for cash 415 computers at a unit price of $2,580. On the basis of past experience, the 2-year warranty costs are estimated to be $145 for parts and $195 for labor per unit. (For simplicity, assume that all sales occurred on December 31, 2017.) The warranty is not sold separately from the computer.