Ted Pays $2,100 Interest on His Automobile Loan, $120 Interest

Ted pays $2,100 interest on his automobile loan, $120 interest on a loan to purchase a computer for personal use, $630 interest on credit cards, and $1,100 investment interest expense. Ted has net investment income of $850. Ted's deductible interest is

A) $1,100.
B) $2,950.
C) $3,200.
D) $850.