Question 301295
This percentage is based on the ration of the office's area to the area of the home.
 A taxpayer with a 2200-square foot home maintains a 20-foot by 16-foot office.
 If the yearly electricity bills for the home come to $4800, how much of this is deductible?
:
deduction = office area/total area * total electric bill
d = {{{(20*16)/2200}}} * 4800
:
d = {{{320/2200}}} * 4800
:
d = $698.18 of his electricity is deductible