Dime-a-Dozen Diamonds makes synthetic diamonds by treating carbon. Each diamond can be sold for $180. The materials cost for a synthetic diamond is $120. The fixed costs incurred each year for factory upkeep and administrative expenses are $1,400,000. The machinery costs $1.24 million and is depreciated straight-line over 10 years to a salvage value of zero. a. What is the accounting break-even level of sales in terms of number of diamonds sold? Accounting break-even 25,400 diamonds b. What is the NPV break-even level of sales assuming a tax rate of 35%, a 10-year project life, and a discount rate of 12%? Note: Do not round intermediate calculations. Round your final answer to the nearest whole number. NPV break-even level of sales 31,025 diamonds