p5.50. Research and Development Expense Business Machines Corporation (IBM) reported the following on its 2015 income INT statement. Co $ millions Fiscal 2014 $92,793 5,437 7,534 Fiscal 2015 Fiscal 2013 Cost of sales .. Number of new patents $81,741 $5,247 7,355 $98,367 $5,743 6,809 Required a. Compare IBM' s research and development expense to other publicly traded companies and those in it 5.3.) b. IBM's spending on research and development declined during 2015. Quantify this trend . Is this of potential concern to investors? What other data might analysts and investors collect to form an opinion about the level and effective- ness of IBM's R&D endeavors? c. p5.50. Research and Development Expense Business Machines Corporation (IBM) reported the following on its 2015 income INT statement. Co $ millions Fiscal 2014 $92,793 5,437 7,534 Fiscal 2015 Fiscal 2013 Cost of sales .. Number of new patents $81,741 $5,247 7,355 $98,367 $5,743 6,809 Required a. Compare IBM' s research and development expense to other publicly traded companies and those in it 5.3.) b. IBM's spending on research and development declined during 2015. Quantify this trend . Is this of potential concern to investors? What other data might analysts and investors collect to form an opinion about the level and effective- ness of IBM's R&D endeavors? c