1. Compute the gross margin ratio for Apple for each of the fiscal years ended September 30, 2017, and September 24, 2016.2. Compute the gross margin ratio for Google for each of the fiscal years ended December 31, 2017, and December 31, 2016.3. Which company (Apple, Google, or neither) improved its control of costs during 2017, as reflected in the gross margin ratio?

Analyzing and computing accrued warranty liability and expense waymire company sells a motor that carries a 60-day unconditional warranty against product failure. from prior years' experience, waymire estimates that 2% of units sold each period will require repair at an average cost of $100 per unit. during the current period, waymire sold 69,000 units and repaired 1,000 units. (a) how much warranty expense must waymire report in its current period income statement? (b) what warranty liability related to current period sales will waymire report on its current period-end balance sheet? (hint: remember that some units were repaired in the current period.) (c) what analysis issues must we consider with respect to reported warranty liabilities?