On 01-01-20, C leased a machine with a useful life of 10 years. The noncancelable lease agreement required C to make 2 annual lease payments of $50,000 starting 01-01-20. On 12-31-21, C will return the machine to the lessor. C's borrowing rate on 01-01-20 was 4%. C uses a straight-line depreciation method and assumes no salvage value. C only prepares AJEs every 12-31. Determine if this is a long-term finance lease or a long-term operating lease and then prepare the lease-related entries C should make on:

a. 01-01-20

b. 12-31-20

c. 01-01-21

d. 12-31-21