Crane Center is an experienced home appliance dealer. Crane Center also offers a number of services for the home appliances that it sells. Assume that Crane Center sells ovens on a standalone basis. Crane Center also sells installation services and maintenance services for ovens. However, Crane Center does not offer installation or maintenance services to customers who buy ovens from other vendors. Pricing for ovens is as follows.

$\backslash$table$[[$Oven only,$$820$