please expain quality of earnings raito Lifo and FIFO in simple terms :)

Determine net cash provided by operating activities under each approach. Assume that all sales were on a cash basis and that income taxes and operating expenses, other than depreciation, were on a cash basis. Calculate the quality of earnings ratio under each approach. (Round answers to 2 decimal places, e.g. 5.15.) Determine net income under each approach. Assume a 30\% tax rate. The following comparative information is available for Monty Corp. for 2022