3-41]. CVP with Income Taxes Hammerhead Charters runs fishing trips out of the local port. Hammerhead charges $5 per trip for a half-dayT trip. Variable costs for Hammerhead total $21] per trip and the fixed costs are $,0 per month. Hammerhead is subject to an income tax rate of 25 percent. Required 1 How man}T trips must Ham merhead sell to break even? 1 How man}T trips must Ham merhead sell to earn a monthly operating profit of $9,130!) after taxes