For output of $50\,000$ units, a business has prepared the following budgeted figures. Costs: - direct production cost: $300\,000$ - indirect labour: $20\,000$ - factory supervisor salaries: $60\,000$ - sales staff salaries: $70\,000$ - depreciation on machinery for production: $80\,000$ - depreciation on motor vehicles for delivery: $50\,000$ - administrative expenses: $360\,000$ - total costs: $940\,000$ To set the selling price, the business adds $40\%$ to the cost of production. What is the total selling price of $500$ units?
- A$4200
- B$5600
- C$6440
- D$7140