Oak Corporation holds the following general business credit carryovers.

2014..............................$ 5,000
2015..............................15,000
2016................................6,000
2017..............................19,000
Total carryovers........$45,000

If Oak s general business credit generated by 2018 activities equals $36,000 and the total credit allowed during the current year is $60,000 (based on tax liability), what amounts of the current general business credit and carryovers are utilized against the 2018 income tax liability? What is the amount of unused credit carried forward to 2019?