Solve the following linear programming problems graphically.
San Gabriel corporation produces both soda and juice drinks. A case of soda requires 2 pounds of malt and 3 pounds of sugar while a case of juice requires 1 pound of malt and 4 pounds of sugar. During a given week, San Gabriel Corp has 160 pounds of malt and 340 pounds of sugar available. It the profit for each soda and juice is Php 30 per case, how many cases of soda and juice drinks should the company produce each week?