Answer:
$378,000
Explanation:
The Hewitt Corporation Retained Earning as at January 31 shall be determined using the following mentioned equation.
Retained Earning at January 31=Retained Earning at January 1+Net income for the month of January-Dividend paid
In the given question:
Retained Earning at January 1=$108,000
Net income for the January=$600,000-$312,000=$288,000
Dividend paid=$18,000
Retained Earning at January 31=$108,000+$288,000-$18,000
=$378,000