visual basic

88. MARKETING TERMS The markup of an item is the difference between its selling price and its purchase price. Two other marketing terms are percentagemarkup=purchasepricemarkupandprofitmargin=sellingpricemarkup where the quotients are expressed as percentages. Write a program that computes the markup, percentage markup, and profit margin of an item. See Fig. 3.60. Notice that when the purchase price is tripled, the percentage markup is 200%