The time in hours that a branch of amalgameted entities needs to spend to meet the quota set by the main office can be approximated byT(x,y)=x^4 16y^4-32xy 40 where x represents how many thousands of dollars the factory spends on quality control and y represents how many thousands of dollars they spend on consulting. Find the amount of money they should spend on quality control and on consulting to minimize the time spent and the minimum number of hours