If x units of a product cost c dollars to manufacture and earn revenue of R dollars, the value of x at which the expressions for C and R are equal is called the break-even quantity-the number of units that produce 0 profit.(a) find the break-even quantity, and (b) decide whether the product should be produced on the basis of whether it will earn a profit.(Profit=Revenue-cost)C=105X6000;R=255xNo more than 400 units can be sold.