Oak Corporation has the following general business credit carryovers:

2016	6500
2017	19500
2018	7500
2019	23500
Total Carryovers	57000

The general business credit generated by activities during 2020 equals $45,600 and the total credit allowed during the current year is $78,000 (based on tax liability).

a. Enter the amount (if any) of each year's carryover utilized in 2020.

Amount of Carryover Utilized
2016
2017
2018
2019
2020	fill in the blank

b. What is the amount of any unused credits carried forward to 2021?