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Math Help - Can somebody help solve this problems please

  1. #1
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    Can somebody help solve this problems please

    A radio manufacturing firm has fixed cost of $25.000 cost and variable cost of $75.80 per radio. The radio sells for $119.95
    Write an expression for the profit funciton and find the number of radios that must be sold to break even.


    If money is invested at 9%, what is the effective anual rate if the investment is compounded
    a) quarterly?
    b) monthly?
    c) daily?
    d) countinesly?


    A certain company has a fixed cost of $15.000 for its product and variable cost given by 140 + .04x dollars per unit, where x is the total number of units. The selling price of the product is 300-.06x dollars per unit. Form the profit function and find the break even point and level of sales which maximizes profits.
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  2. #2
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    Quote Originally Posted by vloraboy View Post
    A radio manufacturing firm has fixed cost of $25.000 cost and variable cost of $75.80 per radio. The radio sells for $119.95
    Write an expression for the profit funciton and find the number of radios that must be sold to break even.
    What do you get?

    n = number of radios

    Cost(n) = $25000 + 75.80*n
    Income(n) = 119.95*n

    You tell me the proifit function, assuming you sell all that you manufacture.
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