Read the following problem statement to answer questions 20-22: [Blend] A coffee shop blends coffee on the premises for its customers. It sells the following three basic blends: Special, Dark, and Regular. To produce the blends, the shop must use three different types of coffee: Brazilian, mocha, and Colombian. The shop has the following bland recipe requirements: - Special blend: No more than 60% Brazilian coffee should be included. - Dark blend: At least 40% Colombian coffee should be included. - Regular blend: At least 20% mocha coffee should be included. The shop has at least 140 pounds of Colombian coffee per week. The shop sells the special blend for $6.50 per pound, the dark blend for $5.90 per pound, and the regular blend for $4.10 per pound. Moreover, the cost of Brazilian coffee is $2.00 per pound, the cost of mocha is $2.75 per pound, and the cost of Colombian is $2.90 per pound. The shop wants to know the amount of each blend it should prepare each week to maximize profit. [Note: Xij=lbs. of coffee i used in blend j per week, where i=1 (Brazilian), 2 (Mocha), 3 (Colombian), and products j=s (special), d (dark), r (regular).] [T/F] The objective function for the model is MaxZ=6.50(X1s+X2s+X3s+X4s)+5.90(X1d+X2d +X3d+X4d)+4.10(X1r+X2r+X3r+X4r)2.0(X1s+X1d+X1r)2.75(X2s+X2d+X2r) 2.9(X3s+X3d+X3r). True False Which of the following constraints is correct? X3s+x3d+X3r140X2s+X2d+X2r140X1s+X1d+X1r140X1s+X2s+X3s140 Question 22 Which of the following constraints is correct? X2r0.2(X2s+X2d+X2r)X2r0.2(X1r+X2r+X3r)X2r0.2(X3s+X3d+X3r)X2r0.2(X1s+X1d+X1r) Read the following problem statement to answer questions 20-22: [Blend] A coffee shop blends coffee on the premises for its customers. It sells the following three basic blends: Special, Dark, and Regular. To produce the blends, the shop must use three different types of coffee: Brazilian, mocha, and Colombian. The shop has the following bland recipe requirements: - Special blend: No more than 60% Brazilian coffee should be included. - Dark blend: At least 40% Colombian coffee should be included. - Regular blend: At least 20% mocha coffee should be included. The shop has at least 140 pounds of Colombian coffee per week. The shop sells the special blend for $6.50 per pound, the dark blend for $5.90 per pound, and the regular blend for $4.10 per pound. Moreover, the cost of Brazilian coffee is $2.00 per pound, the cost of mocha is $2.75 per pound, and the cost of Colombian is $2.90 per pound. The shop wants to know the amount of each blend it should prepare each week to maximize profit. [Note: Xij=lbs. of coffee i used in blend j per week, where i=1 (Brazilian), 2 (Mocha), 3 (Colombian), and products j=s (special), d (dark), r (regular).] [T/F] The objective function for the model is MaxZ=6.50(X1s+X2s+X3s+X4s)+5.90(X1d+X2d +X3d+X4d)+4.10(X1r+X2r+X3r+X4r)2.0(X1s+X1d+X1r)2.75(X2s+X2d+X2r) 2.9(X3s+X3d+X3r). True False Which of the following constraints is correct? X3s+x3d+X3r140X2s+X2d+X2r140X1s+X1d+X1r140X1s+X2s+X3s140 Question 22 Which of the following constraints is correct? X2r0.2(X2s+X2d+X2r)X2r0.2(X1r+X2r+X3r)X2r0.2(X3s+X3d+X3r)X2r0.2(X1s+X1d+X1r)