Please complete this question and provide formulas and and details as possible.& to be completed in excel and upload the solution as an attachment instead of copying and paste it.

Please complete the following six (6) questions. Question 1 (Module 1): Smartphones are produced on an automated assembly line process. The standard cost of smartphones is $150 per unit (labour, $30; materials, $70; and overhead, $50). The sales price is $300 per unit. a. To achieve a 10 percent multifactor productivity improvement by reducing materials costs only, by what percentage must these costs be reduced? b. To achieve a 10 percent multifactor productivity improvement by reducing labour costs only, by what percentage must these costs be reduced? To achieve a 10 percent multifactor productivity improvement by reducing overhead costs only, by what percentage must these costs be reduced