Rush Company developed the following information for its product: Sales price=$90 per unit,Variable cost=54 per unit, Contribution margin= $36 per unit, Total fixed costs=$1,080,000. Instructions: Answer the following independent questions and show computations using the contribution margin technique to support the answer. 1-How many units must be sold to break even? 2-What is the total sales that must be generated for the company to earn a profit of $60,000? 3-If the company is presently selling 45,000 units, but plans to spend an additional $108,000 on an advertising program, how many additional units must the company sell to earn the same net income it is now making? 4-Using the original data in the problem, compute a new break-even point in units if the unit sales price is increased 20%, unit variable cost is increased by 10%, and total fixed costs are increased by $135,000