You have $20,000 to invest in Company shares that currently trade at $41.40. You choose to invest 30% of your funds in long-term call options with a strike of $45 that are currently quoted at $0.65. The options expire in 11 months. The other funds will be placed in a money market earning 6.5% compounded monthly. What is the rate of return for the holding period on the total investment position if the share price is up 24% at expiry?