The cost $\displaystyle {C}$ (in dollars) for a company to produce and sell $\displaystyle {x}$ thousand gadgets is given by
$\displaystyle {C}={\frac{{{1}}}{{{30}}}}{x}^{{2}}-{2}{x}+{3530}$

(a) What is the company's start-up cost?
$
(b) What is the minimum cost?
$
(c) How many gadgets must the company produce and sell in order to incur the least cost? (Be careful with your units!)
gadgets