• A radio Assembly plant produces two models, Hifi-1 and Hifi-2, on the same assembly line. The assembly line consists of three stations. The assembly times in the workstation are: Workstation Minutes per unit of Hifi-1 Hifi-2 1 6 4 2 5 5 3 4 6 Each workstation has a maximum availability of 480 minutes per day. However, the workstations require daily maintenance, which amounts to 10%, 4%, and 12% of the 480 minutes daily availability for station 1, 2, and 3, respectively. The Company wishes to determine the daily units to be assembled of Hifi-1 and Hifi-2 3 to maximize the profit assuming the profit from each of Hifi-1 and Hifi-2 are birr 30 and 26 respectively. Required: Formulate the problem as LP model.