Assume that the investment in the index is initially $100. (This is a scaling factor that makesno difference to the result.) DerivaGem can be used to value an option on the index with theindex level equal to 100, the volatility equal to 20%, the risk-free rate equal to 4%, thedividend yield equal to 1%, and the exercise price equal to 100. For different times tomaturity, T, we value a call option (using Black-Scholes European) and calculate the fundsavailable to buy the call option (=100-100e-0.04×T). Results are as follows: