higinal unil sales are expected to be 7,500 units if the viriable expertues increase by 51 per unit, the octvertisind expenditures increase by $15,000, ad unit salem increase by 5 k, then the best of estimate of the new net operating income is: M.whiain chasce 5137.375. 5134,800 $123,125 $141,925 higinal unil sales are expected to be 7,500 units if the viriable expertues increase by 51 per unit, the octvertisind expenditures increase by $15,000, ad unit salem increase by 5 k, then the best of estimate of the new net operating income is: M.whiain chasce 5137.375. 5134,800 $123,125 $141,925