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.) i Iscar unit sales in the last 4 quarters were: 210, 230, 225 and 215. Given this information how safe is the margin of safety you computed above? Explain you answer: i) How many units does the company need to sell to attain a target profit of $1,800,000 (ignore taxes, show your calculation, round your answer)? k) Calculate the dollar sales needed to attain a target profit of $1,800,000 (ignore taxes, show your calculation, round your answer)? 1) Assume income tax rate is 21%, how many units would the company need to sell to produce a net income of $2,000,000 (show your calculation; round your answer)? m) Assume income tax rate is 21%, what should be total sales in dollars to produce a net income of $2,000,000 (show your calculation; round your answer)? n) What is the operation leverage (ignore taxes, show your calculation)? o) Explain the meaning of the operating leverage