Answer:
c. Interest Payable, $1,200.
Step-by-step explanation:
Based on the information given in a situation where the company keeps its records on a calendar year, an adjustment is needed on December 31 to increase: INTEREST PAYABLE, by $1,200
Increase in Interest payable=6%*30,000*8/12
Increase in Interest payable=$1,200
(May 1 to December 31=8 months)