then booking gig, I paying “Hire price”. and after gig I get only “profit” (it meens “Ticket sales” - “Venue Hire” = “profit”)… then “profit” - “hire price” = pens… Why I have to pay “Hire price/venue hire” twice? 
then booking gig, I paying “Hire price”. and after gig I get only “profit” (it meens “Ticket sales” - “Venue Hire” = “profit”)… then “profit” - “hire price” = pens… Why I have to pay “Hire price/venue hire” twice?