Answer:
I used an excel spreadsheet since there is not enough room here. I ordered the given data:
Fixed Variable Actual Total
Revenue $276 $33,130
Technician wages $8,300 $8,150
Mobile lab operating exp. $5,000 $34 $9,260
Office expenses $2,500 $3 $2,740
Advertising expenses $1,570 $1,640
Insurance $2,850 $2,850
Miscellaneous expenses $970 $2 $535