can someone please explain this problem in detail? step by step?

PROBLEM 6 GIVEN: SINGLE DRIVER INFORMATION MFG O/H MFG O/H ALLOCATED TO PRODUCT A MFG O/H ALLOCATED TO PRODUCT B DRIVER 162,000 105,300 56,700 DLHRS ABC INFORMATION MFG O/H POOL # 1 DRIVER 75,000 DLHRS MFG O/H POOL # 2 DRIVER PRODUCT A MH PRODUCT B MH M/H 870 2,030 REQUIRED: DETERMINE ADDITIONAL O/H ALLOCATED TO PRODUCT B PRODUCT A PRODUCT B TOTAL POOL # 1 POOL # 2 48,750 26,100 26,250 60,900 75,000 87,000 TOTAL USING ABC 74,850 87,150 162,000 TOTAL USING SINGLE DRIVER 105,300 56,700 162,000 CHANGE (30,450) 30,450