PIYUSH L. answered 06/12/14
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Let the annual gross business be $ X over $ 200000
Annual rent = $300*12 + (4.5/100)*X
Its is given that he paid $4725 as rent for the year 2012.
We have
4725 = 3600 + 0.045X
X = 1125 / 0.045 = $25000
His gross annual business = 200000+X = $ 200000+25000 = $225000