Daud Tools, a manufacturer of lathe tools, is currently selling a product for $10 per unit. Sales (all on credit) for last year were 60,000 units. The variable cost per unit is $6. The firms total fixed costs are $120,000. The firm is currently contemplating a relaxation of credit standards that is expected to result in the following; a 5% increase in unit sales to 63,000 units; an increase in average collection period from 30 days (the current level) to 45 days; an increase in bad debt expenses from 1% of sales (current level) to 2%. The firm determines that its cost of tying up funds in receivables is 15% before taxes. Question: Determine whether it would be profitable for Daud Tools to relax its credit standards. To arrive at your decision, show the calculation of; (a) Additional profit contribution from sales (b) Cost of marginal investment in account receivables (c) Cost of marginal investment in bad debts