I want to know the process of caculating daily gain/cost and closing margin account balance.

and the proce of how to caculate Min Variance hedge Ratio and number of contracts, and how to get the answer of cumulative futures[/L and Hedged Postiition Value. thx

Part B: Futures Basics: Mark to market You are required to complete the margin table below with the following information: Position Short Number of Contracts Initial Price 7185 Contract Unit ($ per index point) $30 Initial Margin (per contract) 6651 Maintenance Margin (per contract) 6217 Market open Market close Opening Margin Account Closing Margin Account Date Closing Price (index points) Balance ($) Funds Deposited ($) Daily Gain/Loss($) Balance ($ 2021/3/27 7201.936 $ $ 26,604.00 2021/3/28 7152. 176341 2021/3/29 7088.610397 2021/3/30 7159.577104Part C: Hedging an underlying asset using futures Sharon is a potato farmer who wants to sell her potatoes in 20 days. She is concerned about adverse price changes over the next 20 days and wishes to hedge Sharon decides to cross hedge her position worth $3,500,000 TODAY using futures on wheat the correlation between potatoes and wheat is 0.98. Using the following information, construct a hedge for Sharon: Correlation 0.976974053 Min Variance Hedge Ratio _ Std. Dev Potato 0.028410828 Number of Contracts Std. Dev Wheat 0.028575191 Value of One Futures Unit $50 Remember, the purpose of hedging isn't to make a prot but to protect yourself from any adverse price movements you're sacricing potential upside gain to protect downside loss *Hint: You need to work out the optimal hedge ratio and number of contracts rst (you cannot buy partial contracts) - you should round to the closest whole number of contracts. Date Closing Spot Price Potato (per ton) Potato Position Value ($) Closing Future Price Wheat Cumulative Futures P/L ($) Hedged Position Value ($) 2021/3/27 $595.24 $3,500,000 2021/3/28 $605.22 2021/3/29 $609.62 2021/3/30 $608.44 2021/3/31 $591 .50 2021/4/1 $593.79 2021/4/2 $585.93 2021/4/3 $581 .59 2021/4/4 $540.21