record the necessary journal entries required at the end of January. Prepaid rent for the year on January 1, 2019. Rent expired during the month of January 2019, $2,000. Purchased supplies for $7,600 on January 1, 2019. Inventory of supplies was $1,600 on January 31, 2019. Depreciation is computed using the straight-line method. Equipment purchased on January 1, 2019, for $15,000 has an estimated useful life of 5 years with no salvage value. Signed a 3-month contract for $600 of prepaid advertising on January 1, 2019.