Question 1045990
(a)
{{{ C(q) = 2200 + 90q^2 }}}
{{{ C(10) = 2200 + 90*10^2 }}}
{{{ C(10) = 2200 + 9000 }}}
{{{ C(10) = 11200 }}}
$11,200
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(b)
{{{ S(q) = 500q }}}
{{{ N{q) = C(q) - S(q) }}}
{{{ N(q) = 2200 + 90q^2 - 500q }}}
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(c) 
{{{ N(20) = 2200 + 90*20^2 - 500*20 }}}
{{{ N(20) = 2200 + 90*400 - 10000 }}}
{{{ N(20) = 2200 + 36000 - 10000 }}}
{{{ N(20) = 2200 + 26000 }}}
{{{ N(20) = 28200 }}}
$28,200