Use Apple$$s financial statements in Appendix A to answer the following.

Required:

Compute Apple$$s profit margin for fiscal years ended

$($a$)$ September $28,2019,$ and

$($b$)$ September $29,2018.$

Is Apple$$s profit margin on a favorable or unfavorable trend?

For the fiscal year ended September $28,2019,$ what amount is credited to Income Summary to summarize its revenues earned? Hint: make sure to consider any $$Other income$$ reported on Apple$$s income statement.

For the fiscal year ended September $28,2019,$ what amount is debited to Income Summary to summarize its expenses incurred?