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For the following two transactions and the initial table values as shown complete the missing blanks in the transaction log below: Part ID Desrption OnHand OnOrder 57 Assembled Foo 987 Foo Fastener 12 989 Foo Half BEGIN TRANSACTION UPDATE Part SET OnHand = OnHand + 7, OnOrder = OnOrder-7 WHERE Part-ID = 987; COMMIT BEGIN TRANSACTION UPDATE Part SET OnHand = OnHand-4 WHERE Part-ID = 987; UPDATE Part SET OnHand = OnHand-2 WHERE Part-ID = 989; UPDATE Part SET OnHand = OnHand + 1 WHERE Part-ID = 57; COMMIT TRL_ID TRX_ID PREV_PTR NEXT_ PTR OPERATION TABLE ROW ATTRIBUTE BEFORE AFTER VALUE VALUE ID NULL START 1787 109 8 109 9 1790 109 1791 110 1788 1787 UPDATE PART 987 OnHand 12 1789 10 UPDATE PART 987 OnOrder 7 NULL COMMIT NULL START