ZCraft makes wooden play sets. The company pays annual rent of $400,000 per year and pays administrative salaries totaling $150,000 per year. Each play set requires $400 of wood, ten hours of labor at $70 per hour, and variable overhead costs of $100. Fixed advertising expenses equal $100,000 per year. Each play set sells for $3,200. What is ZCraft's break-even output level

Ahospital purchases a $500,000 magnetic resonance imaging (mri) machine that has a useful life of 9 years. the salvage value at the end of 9 years is $77,000. (a) write a linear equation that describes the value y (in dollars) of the mri machine in terms of the time t (in years), 0 ≤ t ≤ 9. (b) find the value, in dollars, of the machine after 6 years. $ (c) find the time, in years, when the value of the equipment will be $140,000. (round your answer to two decimal places.) yr