Imagine, the selling price of a product called 'Clocky' is $25 per clock. The labor costs are $5 per clock. The R&D costs are estimated to be $60,000 annually and the sales and marketing expenses are $20,000 annually. Additionally, the cost of raw material will be $10 per clock. What is the break-even quantity? a. 1,715 clocks b. 2,286 clocks c. 3,000 clocks d. 4,000 clocks e. 8,000 clocks