Please use excel to solve. The problem and the data provided must be clearly laid out in the spreadsheet and cell referencing must be used.

3. You purchase 100 shares of stock at $100 ($10,000); the margin requirement is 40 percent. What are the dollar and percentage returns if a) you sell the stock for $112 and bought the stock for cash? b) you sell the stock for $90 and bought the stock on margin? c) you sell the stock for $60 and bought the stock on margin