A multifamily building has 12 units. the system voltage is 120/240v, single-phase. each 1,500 sq ft unit contains the following: dishwasher (1.50 kva), water heater (4 kw), dryer (4.50 kw), washing machine (1.20 kva), range (14.45 kw), air-conditioning (230v, 3 hp), air-conditioning fan motor rated 1a at 230v, heat (5 kw). what's the building's demand load for the appliances in kva?