To pay for his academic fees, Tarek, a college student, is selling a computer accessory to other students. His cost to purchase each piece is $49, and he is planning to sell the accessories for $101 each. Fbked costs for advertising amount to $410. (a) Compute the contribution margin (b) Compute the contribution rate (c) Compute the break-even point in units. (d) Compute the break-even point in sales dollars. a) The contribution margin per unit is s(Type a whole number) (b) The contribution rate is D% (Round to two decimal places as needed) (c) The break-even point in unts(Round up to the nearest unit.) (d) The break-even point in sales dollars is -(Round to the nearest cent as needed.)