monthly delivery rate for a part supplied to an automotive assembly plant is 15,000 pc. there are 20 working days in february and 22 working days in march. the effective operating time of the plant is 880 min per day (two shifts). the fraction defect rate for the component is 0.020, and the automated machine that produces the part has an availability of 95%. determine the takt time for this part during (a) february and (b) march.