The Following Information Was Taken from the Inventory Records of the Walker

The following information was taken from the inventory records of the Walker Company:
$\begin{array}{llllll}\text { Product}&\text { A}&\text { B}&\text { C}&\text { D}&\text { E}\\\text { Units } & 75 & 100 & 150 & 100 & 200 \\\text { Unit cost } & \$ 5.50 & \$ 10.00 & \$ 5.10 & \$ 5.10 & \$ 5.00 \\\text { Replacement cost } & \$ 6.00 & \$ 9.00 & \$ 4.60 & \$ 4.50 & \$ 4.50 \\\text { Net realizable value (NRV) } & \$ 5.20 & \$ 12.50 & \$ 7.00 & \$ 7.00 & \$ 7.00 \\\text { NRV-Normal profit } & \$ 4.80 & \$ 10.30 & \$ 5.25 & \$ 4.00 & \$ 4.80\end{array}$ Required:
Determine the valuation of the inventory at the lower of cost or market applied to:
a. inclvichual items
b. the inventory as a whole