F CPA 03

Hi I need help with the attached assignment, thanks

During 2017, Orca Corp. decided to change from the FIFO method of inventory valuation to the weighted-average method. Inventory balances under each method were as follows: FIFO Weighted-average January 1, 2017 $71,000 $77,000 December 31, 2017 $79,000 $83,000 Orca's income tax rate is 30%. In its 2017 financial statements, what amount should Orca report as the cumulative effect of this accounting change? $2,800 $4,000 $4,200 $6,000