1. Syosis Company uses the highminus?low method to estimate its cost function. The information for 2015 is provided? below:

	Machine? - hours	Costs
Highest observation of cost driver??	3,000	$276,000
Lowest observation of cost driver	2,000	$200,000

What is the estimated total cost when 1,400 machine hours are? used?

2. Uninder Company uses the highminus?low method to estimate the cost function. The information for 2015 is provided? below:

	Machineminus?hours	Labor Costs
Highest observation of cost driver	550	?$22,000
Lowest observation of cost driver	250	?$13,000

???

What is the slope? coefficient?

3. The Perize Corporation used regression analysis to predict the annual cost of indirect materials. The results were as? follows:

Indirect Materials Cost Explained by Units Produced
Constant	?$15,685
Standard error of Y estimate	?$3,500
r2	0.7832
Number of observations	20
X? coefficient(s)	10.25
Standard error of? coefficient(s)	2.1876