Consider an asset which will make a single cash flow payment of $250 in 5 years. The interest rate used to discount the cash flow is 6%, compounded annually. Holding all the other parameters constant, which of the following will increase the assets price?

a. an increase in the cash flow to $300

b. an increase in the discount rate to 6.5%

c. an increase in futurity from 5 to 6 years

d. an increase in the frequency of compounding to semi-annual