10. The residence shown in Fig. P7.10 is located in Indianapolis, IN. Size the furnace and the air conditioner and estimate the energy uses and costs for heating and cooling, if an all-electric system is used. Electric rate is flat 4c/kWh. Walls Door Window Floor 8 ft high; U=0.07 (frame) U = 0.27 Single glass Slab, I-in., edge-only insulation Ceiling/roof Uo,c = 0.05; dark roof; no overhang; naturally vented attic Infiltration Estimated at AC/hr 30 ft 50 ft 3 Bedrooms Door 3 ft x 7 ft Window 30 ft x 6 ft Fig. P7.10.