$\backslash$table$[[,$Raw Material,Standard Labor Time$],[$Product$,$X$442,$Y$661,$Sintering,Finishing$],[$Alpha$6,2\mathrm{.}5$ kilos,$2\mathrm{.}5$ liters,$0\mathrm{.}20$ hours,$0\mathrm{.}90$ hours$],[$Zeta$7,4\mathrm{.}5$ kilos,$3\mathrm{.}5$ liters,$0\mathrm{.}30$ hours,$1\mathrm{.}20$ hours$]]$

Information relating to materials purchased and materials used in production during May follows:

$\backslash$table$[[$Material$,$Purchases,Purchase,,Used in$],[$X$442,15,000$ kilos,$$39,000,$$$2\mathrm{.}40$ per kilo,Production$],[$Y$661,16,000$ liters,$$20,800,$$$1\mathrm{.}40$ per liter,$14,000$ liters$]]$