Fill in the blank with the company's January i ncome or expenses based on accrual basis and cash basis. Transaction: A batch of products worth 1200 0 were sold, 5,000 yuan were immediately p aid, the remaining payment should be receiv ed in April. (Note: Put revenue or expense with accrual basis in the first blank and cash basis in the second blank. Numbers only, otherwise the a pp will automatically grade as wrong)