At the examination of the special information for the production of a cement factory of (Haditha) ,indicated that the sell of (1) ton is (300)$, the variable cost (direct) for one ton equals to (255)$, the fixed cost including the cost of construction of the project equals to (210, 000, 000)$. Calculate the size of production that required for marketing to reach the breakeven point (no profit, no loss). 

Note:- at the equalize P = zero