Use the simplex method to solve the linear programming problem. Maximize subject to ​z=8x1β€‹βˆ’7x2​+2x3​2x1β€‹βˆ’x2​+8x3​≀444x1β€‹βˆ’5x2​+6x3​≀682x1β€‹βˆ’2x2​+6x3​≀30x1​β‰₯0,x2​β‰₯0,x3​β‰₯0.​ Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The maximum is when x1​=x2​=,x3​=s1​=,s2​= and s3​= B. There is no maximum.