15. held constant, how will an increase in selling price affect the break even peoint measuresd n wnits The break-even point will decrease The break-even point will remain constant C The break-even point will increase D. The effect on the break-even point cannot be predicted with certainty 6 A company's most profitable products are often those which Have the highest contribution margin ratios and the highest sales volumes 8. Have the lowest contribution margin ratios and the highest sales volumes C Have the highest contribution margin ratios and the lowest sales volumes o. Have the lowest contribution margin ratios and the lowest sales volumes Varlable costs would include: A. Rent expense Sales commission expense C. Depreciation expense D. Executive salaries expense