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b) Ahmad works at ED delivery services company. He wants to deliver 8 parcels to 8 different addresses in one housing area. Each of these houses is connected to each other via several different lanes as can be viewed in Figure 1 7 1 F G 12 10 2 3 H 8 4. E D B 11 5 6 9 A Figure 1 Is that possible for Ahmad by passing through each address (label as A, B, C,D,E,F,G, II) exactly once? If so, exhibits one and explain (2 marks) After completing his work, Ahmad decided to look around the area. Is it possible to four the house arca by passing by the lane (labcl as 1, 2, 3, 4, 5. 6,7,8,9,10,11,12) cuactly once? If so, which address he must begin and end the tour and if not explain (2 marks)