Use A-star search method and find the optimal path from staring location L to destination location B. It is necessary to show all the necessary cost computations and illustrate the expanded tree. The distance function must be decided by yourself Show all calculations within the MS Document step by step. Handwritten images are not accepted in the MS doc file. Submitting homework via Moodle. 10 9 8 7 A 6 y 5 4 3 2 1 0 C 1 B E 2 D 3 4 5x X 6 G H 7 8 K 9 10