Please Help?!! I need help answer all 4 questions it doesn't have to be long just a couple of sentences for each question.

Why do you think the compensation plans differ at the two firms? in particular, why do you think kaufmann’s pays commissions to salespeople, while parkleigh does not? why does parkleigh offer employees discounts on purchases, while kaufmann’s does not?

Rolston music company is considering the sale of a new sound board used in recording studios. the new board would sell for $27,200, and the company expects to sell 1,570 per year. the company currently sells 2,070 units of its existing model per year. if the new model is introduced, sales of the existing model will fall to 1,890 units per year. the old board retails for $23,100. variable costs are 57 percent of sales, depreciation on the equipment to produce the new board will be $1,520,000 per year, and fixed costs are $1,420,000 per year. if the tax rate is 35 percent, what is the annual ocf for the project?

Weekly sales at nancy's restaurant total $ 84,000. labor required is 420 hours at a cost of $21,000. raw materials used amount to $40,000. what is the partial measure of productivity for labor hours?