Answer:
Following journal entries are recorded for the transactions: Refer to the Chart of Accounts for exact wording of account titles.
March 10:
Debt: Raw materials inventory = 2000
Credit: Accounts Payable (500*4) = 2000
March 15:
Debt: Work in Process = 1125
Credit: Raw materials inventory (250*4.50) = 1125
March 25:
Debt: Work in Process = 1075
Credit: Raw materials inventory (215*5) = 1075