4. Cardinal Company has the following groups of insignificant leases at 12/31/05.

Total Costs

Total allowance for

impairment 12/31/05

Expected average

percentage of

impairment

Group A

$200,000

40,000

Group B

$300,000

0

Group C

$400,000

30,000

60%

70%

65%

Prepare the Journal Entries to record the impairment for each of the groups at 12/31/05.