Use of futures contracts to hedge a forecasted transaction$-$cash flow hedge

Following are futures and spot prices for the relevant dates:

Required

Prepare the journal entries to record the following:

a$.$ Purchase of copper futures contract in January

b$.$ Adjusting entry at March $31$

c$.$ Purchase of copper on May $31$

d$.$ Sale of copper on June $1$

Note: If no entry is required, select $"$No entry required" for both the debit and credit account titles.