A delivery man working about 30 hours per week. Each order will take around 0.5 hours to be delivered, so it estimates that he can deliver around 60 orders per month. While some orders may take less than 0.5 hours to be delivered. So, look at a range of possibilities. Complete the table below. Total costs per month Fixed Variable Total costs Cost per order Fixed Variable. Total cost per order 30 Deliveries 40 Deliveries 60 Deliveries 1. create a graph to plot total cost and cost per order for 30, 40, or 60 deliveries per month. By using excel.