Swifty Corporation adopted the dollar-value LIFO method on January 1, 2020, at which time its inventory consisted of 5700 units of Item A @ $4 each and 2800 units of Item B @ $16 each. The inventory at December 31, 2020 consisted of 11800 units of Item A and 7200 units of Item B. The most recent actual purchases related to these items were as follows:

Items		Purchase Date			Quantity Purchased			Cost Per Unit
A			12/7/20			1800			$ 7.00
A			12/11/20			9500			6.00
B			12/15/20			7400			17.00

Using the double-extension method, what is the price index for 2020 that should be computed by Swifty Corporation?

231.24%

119.06%

120.32%

121.78%