Cost Flow Methods

The following three identical units of Item P$401$C are purchased during April:

$\backslash$table$[[,,,$Item Beta,Units,Cost,$\backslash$table$[[,,,,,,],[$April$,2,,$Purchase,$1,$$$100,$:$],[15,,$Purchase,$1,120,],[20,$e$,$Purchase,$1,140,],[$Tota$,,,3,$$$360,],[$Avel$,$ost per unit,,,$$120,$ units