1. The Wirehouse Lumber Company will soon begin logging eight groves of trees in the same general area. Therefore, it must develop a system of dirt roads that makes each grove accessible from every other grove. The distance (in km) between every pair of groves is as follows: Table 1.1 Distance between each garden (groves)

Distance between Pairs of Groves 2 3 P 5 6 7 8 1.3 2.1 0.9 0.7 1.8 2.0 1.5 1.3 0.9 1.8 1.2 2.6 2.3 1.1 2.1 0.9 2.6 1.7 2.5 1.9 1.0 Grove 0.9 1.8 2.6 0.7 1.6 1.5 0.9 DO YOUAWN- 0.7 1.2 1.7 0.7 0.9 1.1 0.8 1.8 2.6 2.5 1.6 0.9 0.6 1.0 2.0 2.3 1.9 1.5 1.1 0.6 0.5 1.5 1.1 1.0 0.9 0.8 1.0 0.5