Under the last$-$in$,$ first$-$out $($LIFO$)$ inventory valuation method, a price index for inventory must be established for tax purposes. The quantity weights are based on year$-$ending inventory levels.

$\backslash$table$[[,$Unit Price $($$$)],[$Product$,\backslash$table$[[$Ending$],[$Inventory$]],$Beginning,Ending$],[$A$,500,0\mathrm{.}15,0\mathrm{.}19],[$B$,50,1\mathrm{.}40,1\mathrm{.}80],[$C$,100,4\mathrm{.}50,4\mathrm{.}20],[$D$,60,12\mathrm{.}00,13\mathrm{.}40]]$

Use the beginning$-$of$-$the$-$year price per unit as the base$-$period price and develop a weighted aggregate index for the total inventory value at the end of the year. $($Round your answer to the nearest integer.$)$

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What type of weighted aggregate price index must be developed for the LIFO inventory valuation?

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