Trader A holds a short position in 25 NYMEX Gold futures for MAR 2009. Every contract is for 100 ounces. Trader B was As counterparty on the 25 short contracts. The Settlement price two nights ago was $1,800/ounce. Yesterday, at 11:00AM, A closed 10 contracts for $1,802/ounce. When A closed these 10 contracts the counterparty was trader C. The Settlement price last night was $1,799/ounce. A, B and C did not engage in any other trades.

Calculate the cash flows to the margin accounts of A, B and C.