The Saudi Aramco company had income from operations of $60,000 in 2021 and $65,000 in 2022; invested assets was $345,000 in 2021 and $355,000 in 2022; and sales were $786,000 in 2021 and $952,000 in 2022. Use the DuPont formula to (1) compute the return on investment of the years 2021 and 2022 and (2) analyze the results, i.e., did ROI improve or decrease? Why? Round the final results to one decimal place of %, i.e., 0.01561.6%, and show the calculations.