How to sole, Assuming that perpetual inventory records are kept in dollars,what is the ending inventory on a FIFO basis?

Transactions for the month of June were:

$\backslash$table$[[$Purchases$,$June $2,],[$June $1,($balance$),3,200$@$$3\mathrm{.}20,2\mathrm{.}400$@$$5\mathrm{.}50$