United Technologies has released information about their new drone component $-$ Dragonfly.$$

OUTPUT INPUT

$49,000$ dragonflies Production time $644$ labour hours

Sales price: $$3\mathrm{.}90$ per unit

Wages $ $7\mathrm{.}90$ per hour

Raw materials $($total cost$)$ $ $31,500$

Component parts $($total cost$)$ $ $15,250$

Mr$.$ Targaryen, your boss, wants to know:

a$.$ Total Productivity in units sold per dollar of input

b$.$ Total Productivity in dollars of sales per dollar input. $($Do not round intermediate calculations. Round your answers to $2$ decimal places.$)$