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Vertical Analysis of Income Statement: Revenue and expense data for Tribal Technologies Co. are as follows: a. Prepare an income statement in comparative form, stating esch item for both 20 arg and 2.0y7 as a percent of sales. If required, round percentages to one decimal place, Enter all amounts as a positive number. a. Prepare an income statement in comparative form, stating each item for both 201 and 20Y7 as a percent of saies. If required, round percentages to one declmal place. Enter all amounts as a positive number. b. Which of the foliowing are true regarding the vertical analysis for Tribal