Jarvix Corporation which has only one product has provided the following date concerning its most recent month of operations Units in beginning inventory Unis pouces 400 8.800 8.900 Unitsin ending invernory Vare per un Drect materia Drect laber Variabia manuacturing overhead Variable selling and administrative $9 Fed costs Fea turing overhead The selling and admire SOOD 516900 The company produces the same number of units every month, although the sales in ory from month tomon The company have been constant from month to What is the net operating income for the month under variable costing? O $25.900 O $2,100 O $17800 $1,500