Calculate the net proceeds due to Mark Ofori from the sale of a truck and a tractor.

• Gross proceeds from truck sale: ₵62,500
• Commission rate for truck: 8%
• Commission for truck: $0.08 \times ₵62,500 = ₵5,000$
• Delivery charge for truck: ₵510
• Net proceeds from truck: $₵62,500 - ₵5,000 - ₵510 = ₵56,990$

• Gross proceeds from tractor sale: ₵88,500
• Commission rate for tractor: 8.45%
• Commission for tractor: $0.0845 \times ₵88,500 = ₵7,478.25$
• Delivery charge for tractor: ₵732
• Net proceeds from tractor: $₵88,500 - ₵7,478.25 - ₵732 = ₵80,289.75$

• Total net proceeds: $₵56,990 + ₵80,289.75 = ₵137,279.75$

The net proceeds due to Mark Ofori from the sale of the equipment are $\boxed{\text{₵137,279.75}}$.