a. Spratt Company purchased Treasury bond futures contracts when the quoted price was 93-50. When this position was closed out, the quoted price was 94-75. Determine the profit or loss per contract, ignoring transaction costs.

b. Suerth Investments, Inc., purchased Treasury bond futures contracts when the quoted price was 95-00. When this position was closed out, the quoted price was 93-60. Determine the profit or loss per contract, ignoring transaction costs.

c. Marks Insurance Company sold S&P 500 stock index futures that specified an index of 1690.When the position was closed out, the index specified by the futures contract was 1,720. Determine the profit or loss, ignoring transaction costs.