4. [15 points] Perform an ABC analysis for the data provided below. Clearly explain why you classified items as A, B, or C. (You may use the Excel template provided. Provide screen captures to show your work). SKU Number Annual Demand Unit Cost a-1 500 $25.00 a-2 750 $135.00 a-3 3500 $5.00 a-4 200 $20.00 b-1 1000 $260.00 b-2 1250 $50.00 b-3 250 $75.00 b-4 150 $125.00 c-1 8500 $0.75 c-2 6500 $0.75 c-3 1500 $1.00 c-4 3500 $1.00 c-5 1200 $2.25 d-1 1500 $3.50 d-2 2000 $0.75 d-3 1000 $6.50 d-4 2000 $1.25 d-5 450 $6.00 d-6 6000 $0.25