Since the company is not large enough to occupy the entire building it owns, it rented space to a tenant at $2,600 per month, starting on November 1, 2011. The rent was paid on time on November 1, and the amount received was credited to the Rent Earned account. However, the tenant has not paid the December rent. The company has worked out an agreement with the tenant, who has promised to pay both December and January rent in full on January 15. The tenant has agreed not to fall behind again