1. (35 points) Iscar Company manufactures aviation blades. Iscar quarterly fixed cost is $2,402,400, and its variable cost per blade is $15,200. Iscar current quarterly sales are 220 units at a price of $32,000 per blade. (In this question, ignore taxes, unless specifically asked about.) a) What is the current quarter profit (show your calculation)? b) What is the contribution margin ratio (show your calculation)? c) What is the contribution margin per unit (show your calculation)? d) What is total contribution margin (show your calculation)? e) What is the break-even point in dollars (show your calculation)? f) What is the break-even point in units (show your calculation)? g) What is the margin of safety in units (show your calculation)? h) What is the margin of safety in dollars (show your calculation)