The revenue (in billions of dollars) for a particular company is approximated by the function R(x) = - 8x + 111x - 142x + 591 (0 sx $ 11), where x = 0 corresponds to the year 2000. Use a graphing calculator or computer to find the approximate location of all local extrema of the given revenue function Select the correct choice below, and if necessary, fill in any answer box to complete your choice O A. There are multiple local maxima. They occur at x = (Round to one decimal place as needed. Use a comma to separate answers as needed ) O B. There is one local maximum. It occurs at x = (Round to one decimal place as needed.) O C. There are no local maxima. Select the correct choice below, and if necessary, fill in any answer box to complete your choice O A. There are multiple local minima. They occur at x = (Round to one decimal place as needed Use a comma to separate answers as needed ) O B. There is one local minimum. It occurs at x = (Round to one decimal place as needed ) O C. There are no local minima