Indicate the accounts affected and enter decreases to account categories with a minus sign. Using the following categories, indicate the effects of the following transactions. Assets = Liabilities + Stockholders' Equity (a) At the end of the period, bad debt expense is estimated to be $16,300. (b) During the period, bad debts are written off in the amount of $7,200.

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