A company purchased 100 units for $30 each on January 31. It purchased 150 units for $25 on February 28. It sold 150 units for $50 each from March 1 through December 31. If the company uses the weighted-average inventory costing method, calculate the amount of Cost of Goods Sold on the income statement for the year ending December 31. (Assume the company uses the perpetual inventory system.)

	A $6,750
	B $4,050
	C $3,000
	D $3,750