Professor John Morton has just been appointed chairperson of the Finance Department at Westland University. In reviewing the department's cost records, Professor Morton found the following total cost associated with Finance $101$ over the last five terms:

Professor Morton knows there are some variable costs, such as amounts paid to graduate assistants, associated with the course. He would like to have the variable and fixed costs separated for planning purposes.

$3-$a$.$ Assume that because of the small number of sections offered during the Winter Term this year, Professor Morton will have to offer ten sections of Finance $101$ during the Fall Term. Compute the expected total cost for Finance $101.$

$3-$b$.$ Can you see any problem with using the cost formula from part $(2)$ to derive this total cost figure?

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Assume that because of the small number of sections offered during the Winter Term this year, Professor Morton will have to offer ten sections of Finance $101$ during the Fall Term. Compute the expected total cost for Finance $101.($Round intermediate calculations and final answers to the nearest whole dollar amount.$)$