Massa Machine Tools expects total sales of $$17,000.$ The price per unit is $$8.$ The firm estimates an ordering cost of $$13\mathrm{.}28$ per order, with an inventory cost of $$1\mathrm{.}12$ per unit. What is the optimum order size?

Note: Round your answer to the nearest whole number.

Multiple Choice

$135$ units

$112$ units

$90$ units

$224$ units