Urgent – accounting for finance leases by lessor

Hi all,
Could someone help me with this problem pls. I dont seems to know how to handle it.

thanks in advance.

Facts: given the following information:

Lease term 7 Years from March 31, 200X
Rental payments: $ 3,574 payable annually in advance
Asset cost: $ 20,000
Expected residual value: nil
Lessor‘s year-end date 30 September
Internal interest rate 8,1978 %

Required:
Determine the finance income for each accounting period.