please answer a and b both .

Suppose you sell nine March 2017 silver futures contracts on this day, at the last price of the day. Use Table 23.1 a. What will your prot or loss be if silver prices turn out to be $17.87 per ounce at expiration? (Do not round intermediate calculations. Enter your answer as a positive value rounded to the nearest whole number, e.g.. 32.} b. What will your prot or loss be if silver prices are $17.66 per ounce at expiration? (Do not round intermediate calculations. Enter your answer as a positive value rounded to the nearest whole number, e.g., 32.)