FSA: Other comprehensive income interest, includes, definition, net, currency

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At the end of last fiscal year, Vintenr’s Supply corp. report ed retained earnings of $215,000. This year, yearend retained earnings of USD245,000 and net income of $20,000, paid dividends of $10,000, paid interest expense of $5,000 and received dividends of $5,000. Vintner’s other comprehensive income for this year is closet to:
A. $25,000
B. $20,000
C. $15,000
D. $10,000
My opinion: Based on definition, Other comprehensive income (OCI) just includes: foreign currency translation adjustments, minimum pension liability adjustments, and unrealized gains or losses on available for sale investments.
I don’t see any relation between retained earnings and other comprehensive income. (OCI)
However, to calculate this quiz, I consider the OCI as one part of retained earnings (other than net income). Thus, the answer will be: $245,000$215,000$10,000=$10,000–>D
But I am still not satisfied with my answer. Can you explain for me this case more clearlyr?
Thanks.