Thriftys Inc. gives you the following informat Time left 1:21:00 to the year 2017 : Net sales .......... . $850,000 Cost of goods sold............. 500,000 Current assets ............ ......500,000 Current liabilities ............ 250,000 Average total assets.............. ...... 900,000 Total liabilities ..... 550,000 Net income ......... 150,000 The rate of return on assets Thrifty's Inc. is