Suppose the quoted futures price for delivery in 1 year is $7.10. The current underlying price is $7 and the continuously compounded interest rate is 5%. The underlying does not pay dividends. How could you make a riskless arbitrage profit?

a. sell future contacts, short sell the stock and invest in a bank account

b. borrow from the bank to buy futures contracts and short sell the stock

c. buy futures contracts, short sell the stock and invest in a bank account

d. sell futures contracts, borrow and buy the stock