Jim owns an apartment building with $10$identical units. He lives in one unit and rents the other nine to unrelated individuals. On April $1$of the current year, Jim paid property insurance on the apartment building for a $5-$year period beginning April $1$of the current year. The total insurance premium was $$2,000.$Assume Jim is a cash$-$basis, calendar$-$year taxpayer. What amount is Jim's rental expense in the current year for the insurance policy? Answer is $270$ NOT $360.$ Give by step by step solution on how to solve this please.