Volume range

Quantity ordered

Unit price

$1$

$1199$

$$8\mathrm{.}50$

$2$

$200999$

$8\mathrm{.}00$

$3$

$1,000+$

$7\mathrm{.}50$

What is the volume range of the feasible ordering quantity $($choose $1,2,$ or $3)$ :