Exercise 20-23 Error correction; three errors [LO20-6]

Below are three independent and unrelated errors.

1. On December 31, 2017, Wolfe-Bache Corporation failed to accrue office supplies expense of $1,700. In January 2018, when it received the bill from its supplier, Wolfe-Bache made the following entry:

Office supplies expense	1,700
Cash		1,700

2. On the last day of 2017, Midwest Importers received a $88,000 prepayment from a tenant for 2018 rent of a building. Midwest recorded the receipt as rent revenue.
3. At the end of 2017, Dinkins-Lowery Corporation failed to accrue interest of $7,800 on a note receivable. At the beginning of 2018, when the company received the cash, it was recorded as interest revenue.

Required: For each error: 1. What would be the effect of each error on the income statement and the balance sheet in the 2017 financial statements? 2. Prepare any journal entries each company should record in 2018 to correct the errors.