Solar Calculator Company proposes to invest $9 million in a new calculator-making plant. Fixed costs are $3 million per year. A solar calculator costs $10 per unit to manufacture and sells for $50 per unit. If the plant lasts for three years and the cost of capital is 10% p.a., what is the break-even level (i.e., NPV = 0) of annual sales? Assume that revenues and costs occur at the end of each year. Assume straight line depreciation and tax rate of 20%.

	a.	169,345 units
	b.	263,095 units
	c.	228,000 units
	d.	None of the above.