Accounting procedures allow a business to evaluate their inventory at LIFO (Last In First Out) or FIFO (First In First Out).

2A. Accounting procedures allow a business to evaluate their inventory at LIFO (Last In First Out) or FIFO (First In First Out). A manufacturer evaluated its finished goods inventory (in $ thousands) for five products both ways. Based on the following results, is LIFO more effective in keeping the value of his inventory lower?FIFOLIFOWhat is the null hypothesis?