need anser for c please help

Cullumber incorporated makes track suits that sell for $50 each. Actual sales are $935,000. Management estimates that fixed costs will total $224,400 and variable costs will be $35 per unit this coming year. (a) Calculate the break-even point in sales dollars using the contribution margin ratio. (Round contribution margin ratio to 6 decimal places, eg. 15.296465\% and final answer to 0 decimal places, eg. 125.) Calculate the margin of safety in dollars and the margin of safety ratio. (Round margin of safety in dollars to the nearest whole dollar. e.g. 5.275 and margin of safety ratio to 2 decimal places, eg. 15.25\%.) Calculate the sales dollars required to earn an operating income of $198,900. (Round answer to the nearest whole dollor, e. 5.275. )