Kenwood makes CD players, tape decks, and tuners. The wholesale price and manufacturing cost of each item are shown in the following table.

Product	Wholesale Price, $	Manufacturing Costs, $
CD players (X1)	150	75
Tape decks (X2)	85	35
Tuners (X3)	70	30

Each CD player, tape deck, and tuner require 3 hours, 2 hours, and 1 hour of assembly respectively. The marketing department has forecasted that it can sell no more than 150,000 CD players, 100,000 tape decks, and 90,000 tuners. However, demand is expected to be at least 50,000 units for each product. Kenwood has 400,000 hours of assembly time available. Advise Kenwood management on an optimal production plan for each product.