Tempe, Inc., is studying marketing cost and sales volume, and has generated the following information by use of a scatter diagram and a least-squares regression analysis:

		Scatter Diagram		Regression Analysis
Variable cost per unit sold		$6.50		$6.80
Total monthly fixed cost		$45,000		$42,500

Tempe is now preparing an estimate for monthly sales of 18,000 units. On the basis of the data presented, compute the most accurate sales forecast possible.

$159,500.

$162,000.

$164,900.

$167,400.

An amount other than those listed above.

Answer: C

Please show work