Use the financial statements of MeDevice Co. to answer the questions below. Make an estimate of tax expense for 2018. Assume a blended federal and state effective tax rate of 25%. 1) 2) Make an estimate of sales for 2018, Assume that you expect sales to decrease by 9% compared to 2017. Consider the information about MeDevice's environment. Please make an estimate of cost of sales for the unaudited year 2018. Start by considering the ratio of cost of sales to sales in 2017 Assume that increased labor prices will increase the ratio of cost of sales to sales by an amount of 4% over the 2017 year. Then use this ratio to predict the cost of sales amount based on your estimate of sales in #2 above. 3) Prepare an estimate of research and development costs. Estimate an amount for 2018 based on a 12% increase from the prior year. 4)