pathing procedures buybacks path buyback mop supply list existing market deal typically baseload please follow steps theory 1 example supply deal 5 0 supply deal 7 0 market deal 10 0 1 follow steps 1 2 theory 1 2 additionally create service transportation contract e k 215 path list 2 path 7 0 buy sell path list contract 10 0 transport e k 215 contract procedure eliminate balance mop supply deal market deal send 3 0 pop via x port k 215 note never path buyback supply deal using receipt transport contact market deal using delivery transport contract pop reflect net two transactions buyback baseload deal