Eva is a widow, age 74 and blind, who is claimed as a dependent by her son. During the year, she received $4,800 in Social Security benefits, $1,200 in bank interest, and $2,800 in cash dividends from stocks. Evas taxable income for 2023 is:

A.$4,000 $1,250 $3,700 = $0

B.$7,800 $3,700 = $4,100

C.$4,000 $1,250 $1,850 = $900

D.None of the choices