can you please help me with #1 & #2

thank you

(9 points) Answer TRUE or FALSE for each of the following statements: (a). To balance a transportation model, it may be necessary to add both a dummy source and a dummy destination. (b). The amounts shipped to a dummy destination represent surplus at the shipping source. (c). The amounts shipped from a dummy source represent shortages at the receiving destinations. 2. ( 8 points) In each of the following cases, determine whether a dummy source or dummy destination (or both) must be added to balance the model: (a). Supply: a1=10,a2=5,a3=4,a4=6 Demand: b1=10,b2=5,b3=7,b4=9 (b). Supply: a1=30,a2=44 Demand: b1=25,b2=30,b3=10 (9 points) Answer TRUE or FALSE for each of the following statements: (a). To balance a transportation model, it may be necessary to add both a dummy source and a dummy destination. (b). The amounts shipped to a dummy destination represent surplus at the shipping source. (c). The amounts shipped from a dummy source represent shortages at the receiving destinations. 2. ( 8 points) In each of the following cases, determine whether a dummy source or dummy destination (or both) must be added to balance the model: (a). Supply: a1=10,a2=5,a3=4,a4=6 Demand: b1=10,b2=5,b3=7,b4=9 (b). Supply: a1=30,a2=44 Demand: b1=25,b2=30,b3=10