A mixed-use building has $20,000 s.f. retail stores on the first floor and the rest are all apartment units from second floor up. There are 25 one-bedroom units, each can be rented for $1,170/ month, plus 15 two-bedroom units, each can be rented for $1,624/ month. The retail space can be rented for $22/ s.f/year. What is the Potential Gross Income of this building (assuming 100% leased)