Additional Ground Bone Operation     Prison Labour        
Item cost unit qty. annual cost Item cost unit qty. annual cost
Second (small) Industrial Unit Lease  4000 year 1 4000 Second (small) Industrial Unit Lease  4000 year 1 4000
Additional Staff (incl. overheads) 64000 year 1 64000 Additional Staff (incl. overheads) 2208 year 1 2208
Power Crushing Machine 9600 1 9600 Power Crushing Machine 9600 1 9600
Power & Lighting 2000 year 1 2000 Power & Lighting 2000 year 1 2000
Industrial Unit & Machine Maintenance 1000 year 1 1000 Industrial Unit & Machine Maintenance 1000 year 1 1000
Tools, PPE, crates, packaging 5000 year 1 5000 Tools, PPE, crates, packaging 5000 year 1 5000
TOTAL ANNUAL COST 85600 TOTAL ANNUAL COST 23808
Amount processed per annum (kg) 135000 Amount processed per annum (kg) 135000
Cost of processed bone per kg(GBP) 0.63 Cost of processed bone (GBP) 0.44
Incremental cost for grinding per kg(GBP) 0.63 Incremental cost for grinding (GBP) 0.18
Total cost of ground bone per kg (GBP) 1.27 Total cost of ground bone (GBP) 0.61
Selling Price per kg 1.9 Selling Price per kg 1.9
Gross Profit per kg 0.63 Gross Profit per kg 1.29
Gross Profit per annum (GBP) 85700 Gross Profit per annum (GBP) 173862