please answer the fallout fallowing

Suppose you sell five May 2018 silver futures contracts on March 27, 2018, at the last price of the day. Use Table 25.2. a. What will your profit or loss be if silver prices turn out to be $16.68 per ounce at expiration? (Enter your answer as a positive value. Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) b. What will your profit or loss be if silver prices are $16.42 per ounce at expiration? (Enter your answer as a positive value. Do not round Intermediate calculations and round your answer to the nearest whole number, e.g., 32.) Answer is complete but not entirely correct. a. Net loss 13,950 X b. Net gain 13.550 Suppose you purchase a May 2018 corn futures contract on March 27, 2018, at the last price of the day. Use Table 25.2. What will your profit or loss be if corn prices turn out to be $3.9417 per bushel at expiration? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16) Answer is complete but not entirely correct. Gain 137.50 X Company ABC as determined that a majority of its customers are located in a big metro area. Therefore, it is considering using a lockbox system offered by a bank located in the city center. The bank has estimated that use of the system will reduce collection time by 2 days Average number of payments per day Average value of payment Variable lockbox fee (per transaction) Daily interest rate on money market securities 940 $1,450 $ 0.3 0.2% What is the NPV of the new lockbox system