If the beginning inventory is $0$ and purchases during the period are as follows:

Date of purchase Units Unit Cost

$1$st April $1202$

$7$th April $802$

$12-$Aug $503$

$9$th Sept $1005$

$3$rd Nov $1506$

$2$nd Feb $1205$

$31$st March Ending Inventory $220$

What will be the COGS for the period using LIFO method

a$.2030$

b$.2010$

c$.2090$

d$.2050$