Ivanhoe Company sublet a portion of its warehouse for five years at an annual rental of $71100, beginning on May 1, 2020. The tenant, Barbara Jones, paid one year's rent in advance, which Ivanhoe recorded as a credit to Unearned Rent Revenue. Ivanhoe reports on a calendar-year basis. The adjustment on December 31, 2020 for Ivanhoe should be:________.