The Regal Cycle Company manufactures three types of bicycles—a dirt bike, a mountain bike, and a racing bike. Data on sales and expenses for the past quarter follow:                             Total                Dirt Bikes                Mountain Bikes Racing Bikes  Sales        $        919,000        $        265,000        $        400,000          $        254,000    Variable manufacturing and selling expenses                478,000                116,000                203,000                  159,000    Contribution margin                441,000                149,000                197,000                95,000    Fixed expenses:                                                                    Advertising, traceable                69,700                8,400                40,600                20,700    Depreciation of special equipment                43,200                20,100                7,400                15,700      Salaries of product-line managers                114,600                40,400                38,100                36,100      Allocated common fixed expenses*                183,800                53,000                80,000                50,800    Total fixed expenses                411,300                121,900                166,100                123,300    Net operating income (loss)        $        29,700        $        27,100          $        30,900        $        (28,300)*Allocated on the basis of sales dollars.Management is concerned about the continued losses shown by the racing bikes and wants a recommendation as to whether or not the line should be discontinued. The special equipment used to produce racing bikes has no resale value and does not wear out.Required:1a.        What is the impact on net operating income by discontinuing racing bikes? (Decreases should be indicated by a minus sign.)Current total        total if racing bikes are dropped        Difference: Net operating income increase or (Decrease)?           ?        ?        ??        ?        ?        ?Contribution margin: (loss)        ?        ?        ?Fixed expense:        -        -        -?        ?        ?        ??        ?        ?        ??        ?        ?        ??        ?        ?        ?Total fixed expenses        ?        ?        ?Net operating income (loss)        ?        ?        ?** On the first column insert from the list stated in the bottom with the missing ?**(sales, variable expenses, advertising traceable , depreciation on special equipment, salaries of product managers, common allocated costs)  2a.        Prepare a segmented income statement.       Totals        Dirt Bike        Mountain Bikes        Racing Bikes?        ?        ?        ?        ??        ?        ?        ?        ?Contribution margin (loss)        ?        ?        ?        ?Traceable fixed expenses:        -        -        -        -?        ?        ?        ?        ??        ?        ?        ?        ??        ?        ?        ?        ?Total traceable fixed expenses        ?        ?        ?        ??        ?        ?        ?        ??        ?        -        -        -Net operating income (loss)        ?        -        -        -** On the first column insert from the list stated in the bottom with the missing ?**(Sales, Variable manufacturing and selling expenses, Advertising, depreciation of special equipment, salaries of the product line managers, product line segment margin, common fixed expenses)