Sheffield Corp. has three notes payable outstanding on December 31, 2016, as follows:

1. A six-year, 6%, $120,000 note payable issued on March 31, 2016. Sheffield Corp. is required to pay $20,000 plus interest on March 31 each year starting in 2017.

2. A seven-month, 4%, $60,000 note payable issued on July 1, 2016. Interest and principal are payable at maturity.

3. A 30-month, 5%, $240,000 note payable issued on September 1, 2016. Sheffield Corp. is required to pay $8,000 plus interest on the first day of each month starting on October 1, 2016. All payments are up to date.

* Calculate the current portion of each note payable.

* Calculate the non-current portion of each note payable.

* Calculate any interest payable at December 31, 2016.