i only need help finding the constraints and the process/calculation to get the points to graph. i honestly prefer when its written out ive been stuck

A manufacturer wants to maximize the profit of two products. Product I-shoes - yields a profit of 5150.00 per unit, and product 11 - ties - yields a profit of $7200 per unit. Market tests and available resources have indicated the following constraints * The combined production level should not exeeed 1200 units per month. * The demand for ties is no more than half the demand for shoes. - The production level of shoes is less than or equal to 600 units phus three times the production level of bess