Ighsmith rental company purchased an apartment building early in 2018. there are 20 apartments in the building and each is furnished with major kitchen appliances. the company has decided to use the group depreciation method for the appliances. the following data are available: appliance cost residual value service life (in years) stoves $ 37,000 $ 4,000 6 refrigerators 32,000 3,000 5 dishwashers 30,000 2,000 4 in 2021, three new refrigerators costing $3,800 were purchased for cash. the old refrigerators, which originally cost $3,700, were sold for $1,300. required: 1. calculate the group depreciation rate, group life, and depreciation for 2018. 2. prepare the journal entries to record the purchase of the new refrigerators and the sale of the old refrigerators.