应收账款保理-终止确认

def solve(____):
    if recourse == "____":
        gain_loss = proceeds - face_value
        return {"____": recourse, "____": face_value, "____": proceeds, "____": True, "____": gain_loss}
    else:
        return {"____": recourse, "____": face_value, "____": proceeds, "____": False, "____": "____"}