(1) Control Variable Q	(2) Total Benefits TB(Q)	(3) Total Cost TC(Q)	(4) Net Benefits, NB(Q)	(5) Marginal Benefits, MB(Q)	(6) Marginal Cost, MC(Q)	(7) Marginal Net Benefits, MNB(Q)
100	1100.0	800.0		--	--	--
101		880.0		230.0
103		1080.0		200.0
106		1440.0		170.0
110		1960.0		155.0
115		2635.0		147.5
120		4035.0		140.0

1. What is the economic goal of this process? With Table in (a), determine the economically optimal level of the control variable Q. Explain.

1. State the economic condition for a manager's optimal level of the control variable Q. With data from your Table in (a), provide a graphical illustration and a brief explanation supporting your stated economic condition for the optimal level of Q.