Commercial Space in Barcelona with tenant

For sale commercial space in the center of Barcelona with total area of the property  of 400 m2, and it also has 2 shop windows of 6 m. The place is currently rented to a state establishment with rental fee of 3.800 Euros monthly the first three years rising to 4000/month after that. Profitability of this object is currently 4% with the following rising to 4,5%. The lease contract is for 10 years starting in march 2016.