Response to the following problem:
ABC and ABM,Farrah westin plans to build a concrete walkway for her home.during her vacation the following schedule shows how project time will be allocated. purchase material 5 hours, obtain rentalequpment 2 hours , remove sod and level site 20 hours, build forms for concrete 10 houres , mix and pour concret into forms 5hours, level concrete and smooth 6 hours ,let dray 24 hours , remove forms from concrete 2 houres 2 houres ,retern rental tools 1 houres, clean up 4 houres,
(a) calculate the manufactering efficeey,
(b) identifay the value added activity, how much total time is spent ?
(c) identifay value added activity , performing value added activiy.