Noble Inc. documented the number of units produced as well as maintenance costs for the past five months as follows:

	Number of units	Total overhead costs
October	120,000	$6,200
November	180,000	10,000
December	100,000	6,000
January	110,000	8,000
February	135,000	9,000

Noble uses the high/low method of estimating mixed costs. Required:

A.	What is the equation to predict estimated total overhead costs? Round your answers to the nearest cent, if necessary.
	Y = $ + $ x
B.	If the company expects to produce 150,000 units in March, what will be the estimated total overhead costs?
	$