In a certain city there are 25 colleges and 200 schools. Each school and college has 18 peons, 5 clerks and I cashier. Each college, in addition, has 1 section officer and I librarian. The monthly salary of each of them is as follows:

Peon-200, Clerk- 400, Cashier 500, Section officer-600 and Librarian 800. Using matrix notation, find (i) total number of posts of each kind in schools and colleges taken together, (i) the total monthly salary bill of all the schools and colleges taken together.