The following computer printout was generated, using regression, for use in estimating overhead costs.

Intercept

8300

X Variable 1

37

Multiple R

0.9500

R Square

0.9025

Activity variable

machine hours

An estimate of costs at an activity level of 100 machine hours would be:

Select one:

a.$7,885

b.$8,300

c.$12,000

d.$12,400

e.None of the above