Given the fоllоwing relаtiоn: Fаculty (fnаme, title, department, address). Suppose each tuple is 40 bytes long, 100 tuple per page, and the relation contains 1,000 pages. Considering the following query: Select title, fname from Faculty E where E.title=’Professor’. Suppose that a B+tree index on department is (the only index) available. There are 20 different department stored in the table. What is the estimated size of the selection result?