Under the last-in, first-out (LIFO) inventory valuation method, a price index for inventory must be established for tax purposes. The quantity weights are based on year-ending inventory levels. Unit Price ($) Product Ending Inventory Beginning Ending A 500 0.15 0.19 B 50 1.40 1.80 100 4.50 4.20 D 40 12.00 13.40 Use the beginning-of-the-year price per unit as the base-period price and develop a weighted aggregate index for the total inventory value at the end of the year. (Round your answer to the nearest integer.) I = What type of weighted aggregate price index must be developed for the LIFO inventory valuation? Laspeyres Index O Paasche index