The following is information concerning a product manufactured by Ames Brothers. Sales price per unit Variable cost per unit Total fixed manufacturing and operating costs (per month) 69 43 410,000 a. Determine the unit contribution margin b. Determine the number of units that must be sold each month to break even (Round your answer to the c. Determine the number of units that must be sold to earn an operating income of $234,000 per month (F nearest whole number.) Answer is not complete. a b Unit contribution margin Break-even units Target sales in units 15,769 C