what is the net operating income?

Required: Calculate the company's revenue and spending variances for Al favorable, "U" for unfavorable, and "None" for no effect (i.e., z Quilcene Oysteria Revenue and Spending Variances For the Month Ended August 31 Revenue $ 4,250 U Expenses: 'Packing supplies 170 U Oyster bed maintenance Wages and salaries 410U Shipping 270 F Utilities 190F Other 620 U Total expense Net operating income 140 F | 600 U N