Using the information for Obras, Inc., in SE4, SE5, and SE7, compute the cash flow yield, cash flows to sales, cash flows to assets, and free cash flow for 20x8 and 20x9. Net cash flows from operating activities were $42,000 in 20x8 and $32,000 in 20x9. Net capital expenditures were $60,000 in 20x8 and $80,000 in 20x9. Cash dividends were $12,000 in both years. Comment on the results. (Round computations to one decimal place.)