Both Apple and Google (Alphabet) invest in research and development. Access each companys 2017 income statement from Appendix A. Required: 1. Compute the ratio of research and development expense to net sales for Apple. 2. Compute the ratio of research and development expense to net sales for Google. 3. Which company spend more (as a percentage of revenue) on research and development?

Compute the ratio of research and development expense to net sales for Apple. (Round your percentage answer to 2 decimal place.)

For APPLE ____%

For GOOGLE ____%

Access Samsungs 2017 annual report from its website (Samsung.com). Like Apple, Samsung offers warranties on its products. Use Apple's financial statements in Appendix A.

In millions of Korean won	Warranty liability
Balance at January 1, 2017		1,747,857
Charged to the statement of profit or loss		2,032,311
Payment	(	1,920,926	)
Other		152,336
Balance at December 31, 2017		2,011,578

Required: 1-a. What amount of warranty expense did Samsung record during 2017? 1-b. What amount of warranty claims did Samsung pay in 2017? 2-a. What amount of warranty expense did Apple record during 2017? 2-b. What amount of warranty claims did Apple pay in 2017? 3. which company was more accurate in estimating warranty claims for 2017?

Required 1 Required 2 Required 3 1-a. What amount of warranty expense did Samsung record during 2017? (Enter answers in millions of Korean wons.) 1-b. What amount of warranty claims did Samsung pay in 2017? (Enter answers in millions of Korean wons.) 1-a. # millions Warranty expense of Samsung record during 2017 Warranty claims of Samsung pay in 2017 1-b. millions Required Required 2 Required 1 Required 2 Required 3 2-a. What amount of warranty expense did Apple record during 2017? (Enter answers in millions of dollars.) 2-b. What amount of warranty claims did Apple pay in 2017? (Enter answers in millions of dollars.) 2-a. millions Warranty expense of Apple record during 2017 Warranty claims of Apple pay in 2017 2-b. millions Required 1 Required 2 Required 3 Which company was more accurate in estimating warranty claims for 2017? was more accurate in estimating warranty expense