Min reported $1,000 of municipal bond fund interest on line 2b of Form 1040. The municipal bond fund statement showed 80% of the interest was attributable to investments in California bonds and 20% in Nevada bonds. Which adjustment should be made on Min's Schedule CA (540), Part I, Section A, line 2b?

A subtraction of $200 in column B.

A subtraction of $800 in column B.

An addition of $200 in column C.

An addition of $800 in column C.