Consider the following cases: Ignore any tax effects in calculating the cash break-even. 1a. Calculate the cash break-even point of Case 1. 1b. Calculate the accounting break-even point of Case 1 . 2a. Calculate the cash break-even point of Case 2. 2b. Calculate the accounting break-even point of Case 2. 3a. Calculate the cash break-even point of Case 3 . 3b. Calculate the accounting break-even point of Case 3