Bill is the owner of a house with two identical apartments. He resides in one apartment and rents the other apartment to a tenant. The tenant made timely monthly rental payments of $550 per month for the months of January through December 2018. The following expenses were incurred on the entire building:

Utilities $3, 600
Maintenance and repairs $900
Insurance $500

In addition, depreciation allocable to the rented apartment is $1, 500.What amount should Bill report as net rental income for 2015?

A. $100
B. $2, 600
C. $0
D. $1, 400
E. None of these choices are correct.