in facilites layout (machine fraction)

is it correct ??

A certain part (0438) requires three assembly operations (L,M and Q ) that are sequentially done on an automatic assembly line. The schedule designer requires this assembly line to produce 6000 parts/month, and the plant will be operating 4 weeks per month, six days per week, and 8 hours per day. The following information is known: The line is controlled by a computer that requires re-programing every lot of 750 parts. This re-programing process takes 1 hour on average. The fraction of the control computer programming is: p. 049 0.047 None 115706ox(7507001)=0,0486=0,049