Assume the initial margin on a Swiss franc futures contract is $2,000. If an individual purchases a contract at $0.78 per franc and the contract involves 125,000 Swiss francs, what return on invested capital will the investor receive if the price per franc moves to $0.80?

Six months ago, Suzanne purchased a stock for $28 a share. Today she sold the stock at a price of $32 a share. During the time she owned the stock, she received a total of $1.30 in dividends per share. What is her holding period return?

An investor in the 25% marginal tax bracket purchased a bond for $983, received $85 in interest, and then sold the bond for $955 after holding it for six months. The tax rate for capital gains with holding periods in excess of one year is 15%. What are the pre-tax and post-tax holding period returns?