please answer 5 and 6

5. AJ's Auto Supply plans to grow sales by 15% between 2016 and 2017 and has developed the following projections for 2017. a. Calculate gross margin, operating margin, and net margin for 2016 and 2017. b. Calculate return on assets and return on equity for 2016 and 2017. c. Should AJ's Auto Supply grow as planned? Show long description 6. In an effort to increase sales, Marvin's Market has decided to increase its' v advertising expenses by 20%. According to Marvin's projections, this will lead tr .2% increase in gross revenue, a 10% increase in returns, an 8% increase in cost of .s sold, and 10% increases in overhead expenses and inventory losses. Given these as _ptions and Marvin's 2017 profit and loss statement: a. Prepare a projected 2018 profit and loss statement. b. Calculate gross margin, operating margin, and net margin for 2017 and 2018. c. Should Marvin increase his advertising budget