Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending Inventory consists of $180$ units from the January $30$ purchase, $5$ units from the January $20$ purchase, and $15$ units from beginning inventory.

$\backslash$table$[[$Date$,$Activities,Units,Acqu:,red,d at$,$cost$,,,$Units sold at$,$Ret,ta$1,],[$January $1,$Beginning inventory,$140$ units,,$9,6\mathrm{.}60,=x+1,,8840,,,,],[$January $10,$Sales,,,,,,,,$100$ units,O$,$$$,15],[$January $20,$Purchase,$60$ units,$4,$S$,$S$.$oo$,=x,,30,,,,],[$January $25,$Sales,,,,,,,,$80$ units,$,3=,15],[$January $30,$Purchase,$180$ units,$\{),$$$,$A$.59,=,,810,,,,],[,$Totals,$380.$ units,,,,,$\backslash$table$[[3]],1,95,180$ units,,,$]]$

The Company uses a perlodic inventory system. For specific Identification, ending inventory consists of $180$ units from the January $30$ purchase, $5$ unlts from the January $20$ purchase, and $15$ units from beginning inventory. Determine the cost assigned to ending Inventory and to cost of goods sold using

$($a$)$ specific identification,

$($b$)$ welghted average,

$($c$)$ FIFO, and

$($a$)$ LIFO

$-$Additional info from user sending in question,

There also a section called costs of goods available for sale in each inventory system that needs to be filled. They also all have number of units and cost per unit on every section.