Property tax is a tax on land, houses, flats or building, which is computed as follows. property tax payable yearly
=annual value*tax rate
Where the annual value of a property is the estimated amount of money the owner will get if he or she rents out the property for a year. Given that the annual value of a flat is $28,800 an the tax rate is 10% per annum, find the property tax payable for 6 months.