Jackson Owns a Condominium in Las Vegas,Nevada,and He Rents It

Jackson owns a condominium in Las Vegas,Nevada,and he rents it to Joanne for $1,500 per month,payable on the 1^st of each month.While he was out of town in August,the condominium's air conditioning broke and Joanne had it replaced for $1,350.How much rental income does Jackson report for September if Joanne deducts the repair cost from her rent for September?

A) $0.
B) $150.
C) $1,350.
D) $1,500.