Superior Wire Co$.$ produces three types, Product I, Product II$,$ and Product III, of cable for industrial purposes. Three machines, Machine A$,$ Machine B and Machine C$,$ are utilized to achieve three processes, weaving, coating, and coiling, respectively.

The firm operates throughout the year except for $121$ closure dates. The plant operates three $8-$hour shifts daily.

All machines require varying intervals of calibration, cleaning, and maintenance and are conducted in ac

cordance with the following schedule in Table $1.$

The abovementioned processes differ in duration to produce three products, Product I, Product II$,$ and Product III. The durations in hours are listed in Table $2.$