SECTION$-$B

Note: Attempt any four questions. Each question carries $5$ marks.

Q$-1-$From the given information, calculate the cost of inventory as well as the cost of goods sold using the $($a$)$ specific invoice, $($b$)$ weighted$-$average, $($c$)$ first$-$in$,$ first$-$out, and $($d$)$ last$-$in$,$ first$-$out methods.

$\backslash$table$[[,$Goods Available for Sale,$\backslash$table$[[$Additional Fact:$],[$Inventory Not Sold$]]],[,$Units,,Cost,,Total$],[$January $1$ Beg. Inventory,$40,(4),58,=,5320,40$ from January $1],[$Aprit $1$ Purchased,$20,($a$),9,$a$,180,],[$May $1$ Purchased,$20,($c$),10,$#$,200,4$ from May $1],[$October $1$ Purchased,$20,(4),12,=,240,4$ from October $1],[$December $1$ Purchased,$20,(4),13,=,260,],[,12,,,,5,]]$

Additionally, find out which method organization should follow in order to reduce taxes? $[5$ marks$]$