Suppose a cost-benefit model is given by y equals StartFraction 6.2 x Over 100 minus x EndFraction where y is the cost in thousands of dollars of removing x percent of a certain pollutant. Complete parts (a) and (b). Question content area bottom Part 1 (a) Find the cost of removing each percent of pollutants: 50%; 70%; 80%; 90%; 95%; 98%; 99%. 50% y equals enter your response here 70% y equals enter your response here 80% y equals enter your response here 90% y equals enter your response here 95% y equals enter your response here 98% y equals enter your response here 99% y equals enter your response here (Type an integer or decimal rounded to two decimal places as needed.)