Gucci company is selling a new brand of cologn with two different size bottles.If a$100$ ml bottle at selling price of $$150$ costs the company $$75$ per bottle and a $200$ ml bottle at selling price of $$200$ dollars costs the company $$100$ per bottle. The operating profit is $40\%$ at selling price.a$.$ compute the mark up for both size bottlesb. compute the operating expense for both size bottlesc. compute the rate of mark up at cost and at selling price