2) Do Problem #4, p. 65 The analyst in the Dorben Company wishes to assign a number of like facilities to an operator based on minimizing the cost per unit of output. A detailed study of the facilities revealed the following: Loading machine standard time = 0.34 minutes Unloading machine standard time = 0.26 minutes Walk time between two machines = 0.06 minutes Operator rate = = $12.00 per hour Machine rate (both idle and working) = $18.00 per hour Power feed time = 1.48 minutes How many of these machines should be assigned to each operator