Consider the all$-$units quantity discount schedule below.

$\backslash$table$[[$Quantity Ordered,Price Per Unit,EOQ at that Price$],[1-499,$$$300,952],[500-999,$$$280,986],[1000-1499,$$$260,1023],[1500-1999,$$$230,1087],[2000$ and over,$$200,1166]]$

Which of the following sets of order quantities is guaranteed to contain the optimal solution $($i$.$e$.,$ best order quantity$)?$

A$.\{1023,1500,2000\}$

B$.\{986,1023,1500\}$

C$.\{986,1000,1500,2000\}$

D$.\{952,986,1023,1087,1166\}$

E$.\{1,500,1000,1500,2000\}$