According to the NC Tenant Security Deposit Act, which of the following is NOT a permitted use of a tenant security deposit?
a. Reimbursement for damage to the rental property beyond normal wear and tear
b. Unpaid rent or other financial obligations specified in the lease agreement
c. Reimbursement for cleaning the rental property upon the tenant's move-out
d. Payment for the landlord's personal expenses or costs unrelated to the tenant's occupancy