Which of the following statements is not true as it relates to the dollar-value LIFO inventory method?

Under the dollar-value LIFO method, it is possible to have the entire inventory in only one pool.

Several pools are commonly employed in using the dollar-value LIFO inventory method.

It is easier to erode LIFO layers using dollar-value LIFO techniques than it is with specific goods pooled LIFO.

Under dollar-value LIFO, increases and decreases in a pool are determined and measured in terms of total dollar value, not physical quantity.