Convergence property implies that on the delivery day, A. cost-of-carry is paid
B. gain on the long position equals loss on the short position
C. observed futures price equals observed spot price
D. hedgers make money

C.

Explanation:

Convergence property strictly implies that on the delivery day the observed futures price equals the observed spot price. In the markets these two prices must converge, If this does not happen, then this creates an arbitrage opportunity which ultimately brings with it the possibility for a risk-free profit, which is the act of buying an asset and immediately selling the same asset for a higher price.

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants