Larkspur Company has been a retailer of audio systems for the past 3 years. However, after a thorough survey of audio system markets, Larkspur decided to turn its retail store into an audio equipment factory. Production began October 1, 2022. Direct materials costs for an audio system total $77 per unit. Workers on the production lines are paid $14 per hour. An audio system takes 6 labor hours to complete. In addition, the rent on the equipment used to assemble audio systems amounts to $3,500 per month. Indirect materials cost $7 per system. A supervisor was hired to oversee production; her monthly salary is $3,780. Factory janitorial costs are $1,560 monthly. Advertising costs for the audio system will be $8,620 per month. The factory building depreciation is $6,960 per year. Property taxes on the factory building will be $9,360 per year.