Hello! I have to look for the Profit and when to sell the two contracts. I have the work but I need help on how to find the blank information needed without using excel. Thank you so much!

An investor takes a long position in two September gold futures contracts on June 5 Contract size 1000z Futures price $1300 Initial Margin $7000/contract Maintenance Margin $5500/contract Date Future Price Daily Gain Cumulative Gain Margin Balance Margin Call 4000 4000 $14,000 June 5 June 6 June 7 June 8 1300 1320 1295 1280 1300 1325