Philadelphia Acoustics builds Innovative speakers for music and home theater syutoma. Idently ouch cost as variable (V). Red (F), or mixed (M), fetitiver to number at speakers produced and acid 1 Unite of production depreciation on routere used to cut wood enclosures 2. Wood for speaker enclosures 1 Patents on crossover relay Total compensation to alesperson who receives a salary plus commission based on meeting sales goals. 6 Crossover relays & Straight-line depreciation on manufacturing plant 7. Gris cloth. B. Insurance on the corporate office Glue 10. Quality inspector's salary