when answering b) please explain how you got the resulsts

Explain the principles behind 'Accrual Accounting', the structure in income statement and adjustment of Trial Balance. Compute the amount of sales revenue, insurance expense, and other operating expenses to report on the income statement for the annual report ended December 31, 20 times 5: The adjusted trial balances of Let's Do, Corporation at December 31, 20 times 5, and December 31, 20 times 4, include these amounts: Let's Do Corporation completed these transactions during the year ended December 31, 20 times 5