Sunset Travel Agency specializes in flights between Toronto and Jamaica. It books passengers on Bolton Air, Sunset's fixed costs are $25, 500 per month. Bolton Air charges passengers $1, 400 per round trip ticket. Requirement Calculate the number of tickets Sunset must sell each month to (a) break even and (b) make a target operating income of $18.000 per month in each of the following independent cases. (Round up to the nearest whole number. For example, 10.2 should be rounded up to 11.) Sunset's variable costs are $40 per ticket. Bolton Air pays Sunset 10% commission on ticket price Sunset's variable costs are $38 per ticket. Bolton Air pays Sunset 10% commission on ticket price. Sunset's variable costs are $38 per ticket. Bolton Air pays $55 fixed commission per ticket to Sunset. Comment on the results. Sunset's variable costs are $38 per ticket. It receives $55 commission per ticket from Bolton Air. It charges its customers a delivery fee of $8 per ticket. Comment on the results. Begin by selecting the formula to calculate the breakeven points