Let L = (((15, 20), (35, 50), ((55, 65), (70, 80))) be an SList. (a) Compute Search[15, L], showing all steps Search( 15, L] = Search | 15,((15, Search 15, (15, ),(-5,50))l vsearch|15,(is,]), (70, 80)) s0 v search 5, 5s, , 70, 80 V Search15, 35, Searchlas, (55,V Search s,.(70, Search , is] v search[ V Search 15, 70, [ [-], 65] V , 20 V Search , 35] V , 35 V 1 V Search! - Search 15, , 55 V Search Search , 70 V Search 80 -SelectV false V false V false V false V false V false V false Select = (b) Compute BSearch[15, L], showing all steps BSearch | 15, (( 15, 1 ), (35 BSearch[ 15, L] since 15 50 = BSearch | 15,115, since 15 20 = BSearch | 15, since 15 15 = Select-- since 15 = 15