What is the formula for each red part?

Ex 3 Chase Strategy Unit cost Capacity 6000 Capacity in P5 0 Regular Overtime Sub-contract 1200 Unit holding cost: $60/ period 0 $1000 $1150 $1250 4000 6000 Period 4 5 6 Total 9000 11000 48000 Demand Final Plan Regular SC End Inventory Regular SC Holding Total 1 2 3 5000 6000 8000 5000 6000 8800 5000 6000 6000 1200 1600 0 0 800 5000 6000 6000 0 0 1380 0 0 2000 0 0 48 5000 6000 | 9428 9000 11200 6000 1200 4000 3000 6000 1380 5000 180 12560 6000 11000 0 6000 0 1200 6000 3800 0 0 0 6000 0 1380 7500 4750 0 0 7500 12130 Costs in thousand dollars 52,618 Ex 3 Unit cost Level Strategy Regular Capacity Capacity in P5 6000 0 Overtime 1200 0 $1000 $1150 $1250 Unit holding cost: $60/ period Sub-contract 4000 6000 4 5 6 Total 9000 9000 11000 48000 8400 6000 8400 6000 1200 1200 Period 1 2 3 Demand 5000 6000 8000 Final Plan 8400 8400 8400 Regular 6000 6000 6000 OT 1200 1200 1200 SC 1200 1200 1200 End Inventory 3400 5800 62001 Regular 6000 6000 6000 1380 1380 1380 SC 1500 1500 1500 Holding 204 348 372 Total 9084 9228 9252 6000 0 1200 0 1200 6000 5600 2600 6000 0 1380 0 1500 7500 336 156 9216 7656 Costs in thousand dollars 6000 1380 1500 0 8880 53,316 Ex 3 Chase Strategy Unit cost Capacity 6000 Capacity in P5 0 Regular Overtime Sub-contract 1200 Unit holding cost: $60/ period 0 $1000 $1150 $1250 4000 6000 Period 4 5 6 Total 9000 11000 48000 Demand Final Plan Regular SC End Inventory Regular SC Holding Total 1 2 3 5000 6000 8000 5000 6000 8800 5000 6000 6000 1200 1600 0 0 800 5000 6000 6000 0 0 1380 0 0 2000 0 0 48 5000 6000 | 9428 9000 11200 6000 1200 4000 3000 6000 1380 5000 180 12560 6000 11000 0 6000 0 1200 6000 3800 0 0 0 6000 0 1380 7500 4750 0 0 7500 12130 Costs in thousand dollars 52,618 Ex 3 Unit cost Level Strategy Regular Capacity Capacity in P5 6000 0 Overtime 1200 0 $1000 $1150 $1250 Unit holding cost: $60/ period Sub-contract 4000 6000 4 5 6 Total 9000 9000 11000 48000 8400 6000 8400 6000 1200 1200 Period 1 2 3 Demand 5000 6000 8000 Final Plan 8400 8400 8400 Regular 6000 6000 6000 OT 1200 1200 1200 SC 1200 1200 1200 End Inventory 3400 5800 62001 Regular 6000 6000 6000 1380 1380 1380 SC 1500 1500 1500 Holding 204 348 372 Total 9084 9228 9252 6000 0 1200 0 1200 6000 5600 2600 6000 0 1380 0 1500 7500 336 156 9216 7656 Costs in thousand dollars 6000 1380 1500 0 8880 53,316