West corp. leased a building and received the $36,000 annual rental payment on june 15, year 4. the lease was classified as an operating lease. the beginning of the lease was july 1, year 4. rental income is taxable when received. west’s tax rates are 30% for year 4 and 40% thereafter. west had no other permanent or temporary differences. west determined that no valuation allowance was needed. what amount of deferred tax asset should west report in its december 31, year 4, balance sheet?