Minty Manufacturing Company's average electricity costs were $1 per machine hour at an activity level of 10,000 machine hours in March and $0.80 at an activity level of 15,000 machine hours in February. Assuming that this activity is within the relevant range, total expected electricity costs for an estimated activity level of 11,000 machine hours would be C

a.	$11,000
b.	$8,800
c.	$10,400
d.	none of the above