The following table reports prices and usage quantities for two items in $2016$ and $2018.($Round your answers to the nearest integer.$)$

$\backslash$table$[[,$Quantity,Unit Price $($$$)],[$Item$,2016,2018,2016,2018],[$A$,1,500,1,800,7\mathrm{.}50,7\mathrm{.}45],[$B$,2,1,650\mathrm{.}00,1,500\mathrm{.}00$