Davis Watercraft would like to determine if it is possible to improve firm profitability by changing their existing product mix. Currently, the product mix is determined by giving resource priority to the highest contribution margin watercraft. Davis Watercraft always has a contingent of $10$ workers on hand; each worker is paid $$25$ per hour. Overhead costs are $$35,000$ per week. The plant operates $18$ hours per day and $6$ days per week. Labor is considered a fixed expense because workers are paid for their time regardless of their utilization.

a$.$ Draw the flow diagram for this process using the data below

b$.$ Identify the bottleneck machine.

$\backslash$table$[[,$Model$],[,$A$,$B$,$C$],[$Price$,450,400,500],[$Material Cost,$50,40,110],[$Weekly Demand,$100,75,40],[$Processing Time Station $1,60,,30],[$Processing Time Station $2,,,60],[$Processing Time Station $3,10,6,],[$Processing Time Station $4,20,30,40]]$