After completing university, you get a job with a monthly salary of $10000. However, you decide to become a photographer and pay yourself $2000 per month. In the first month of operation, you spend $6000 on materials for making photograph, $ 1000 on other variable inputs and $2500 for your studio rent. Revenue for first month is $14500. What are your economic profits from the first month ?

A +3000

B -5000

C -6000

D -7000

E +4000