The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of theproduct when it is sold at a unit price of x dollars.-0.512 + 221 – 224what is represented by the zero(s) of the expression? o a. the unit price(s) when the profit is equal to 0ob. the unit price(s) when profit is greatestthe profit when the unit price is greatestod. the profit when the unit price is equal to o