[batch] use cost_str in ui_get_billing (#9573)
[batch] use cost_str in ui_get_billing (#9573)


cseed/hail,danking/hail,cseed/hail,danking/hail,cseed/hail,hail-is/hail,cseed/hail,danking/hail,cseed/hail,hail-is/hail,danking/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,cseed/hail,danking/hail