store is an experienced home appliance dealer. Cullumber Store also offers a variety of services together with the home appliances that it sells. Assume that Cullumber Store sells dishwashers on a standalone basis. Cullumber Store also sells installation services and maintenance services for dishwashers. However, Cullumber Store does not offer installation or maintenance services to customers who buy dishwashers from other vendors. Pricing for dishwashers is as follows:

$\backslash$table$[[$Dishwasher only,$$1,206$