It is desired to mail non-commercial letters, being two of 100 g, three of 200 g and one of 350 g. The graph shows the cost to send a non-commercial letter by the Postal Service.
The total amount spent, in reais, to mail these letters is
(A) 8.35.
(B) 12.50.
(C) 14.40.
(D) 15.35.
(E) 18.05.