Melaleuca, Inc., is an accrual-basis taxpayer with the following transactions during the calendar tax year:

Accrual business income (except rent and interest) $63,000

Accrual business expenses (except rent) 42,000

Three months' rent received on a leased building on November 1 of this year 9,000

Prepaid interest for 1 year received on a note on July 1 of the current year 12,000

Six months' rent paid on December 1 for business property 7,200

Calculate Melaleuca, Inc.'s, net income for this year.