The interest rate is 2.8% per annum with discrete annual compounding. You want to create a principal protected note with a maturity of one year that is guaranteed to pay out at least $1000, and also provide the potential for some upside if the stock market does well. You buy a certain number of call options with an exercise price of $1000 to achieve your objective. That number need not be a whole number. What is the maximum dollar value of the call options that you can buy?