For 2019,Thomas, a single parent, reported the following amounts relating to his investments:

Net investment income........................................................................................$7,000

Interest expense on a loan to purchase stocks...................................................2,000

Interest expense on funds borrowed to purchase land for investment..........6,000

What is the maximum amount that Thomas could deduct in 2019 as investment interest expense?

a. $1,000

b.$2,000

c. $6,000

d. $7,000