if you can explain your answer(s), I would really appreciate it! thanks

5. High Flying takes tourists on helicopter tours of Hawaii. Each tourist buys a $150 ticket; the variable costs average $60 per person. High Flying has annual fixed costs of $702,000. Required: A. Compute the average number of tours the company must conduct per month to break even B. Compute the average sales revenue needed per month to produce a target average profit of $36,000 per month. See below (answer to "B"). C. Calculate the contribution margin ratio. D. Determine whether the actions that follow will increase, decrease, or not affect the company's break-even point. 1. A decrease in tour prices. 2. The termination of a salaried clerk (no replacement is planned). 3. A decrease in the number of tours sold