Final answer:
A rent concession is a benefit offered by landlords to attract tenants. The security deposit refund at the end of the lease is typically not considered a rent concession.
Step-by-step explanation:
A rent concession is a benefit offered by landlords to attract tenants. It typically involves offering something of value to the tenant in exchange for renting the property. Out of the options given, C) Security deposit refund at the end of the lease is typically not considered a rent concession because it is a standard practice in which tenants receive their security deposit back at the end of their lease if they have fulfilled the lease terms and maintained the property in good condition.