please explain

Ming Trang opened her first business last year after graduating from college. During the first year of operations the business experienced a loss of $14,000. During the year Ming Trang earned an additional $2,000 in employment income, $6,000 in net-rental income, and capital gains of $2,000. Given all of the above, what is Ming Trang's total income for the year? a) $5,000 b) $9,000 c) $23,000 d) $8,000