M, or L, for Design a method that calculates the monthly cost to rent a roadside billboard. Variables include the size of the billboard small, medium, or large) and its location (H, M, or L for high-,...

Extracted text: M, or L, for Design a method that calculates the monthly cost to rent a roadside billboard. Variables include the size of the billboard small, medium, or large) and its location (H, M, or L for high-, medium-, or low-traffic areas). The method should throw an exception if the size or location code is invalid. The monthly rental cost is shown in Table 11-1. High Traffic Medium Traffic Low Traffic Small size 900.00 500.00 200.00 Medium size 1600.00 1200.00 600.00 Large size 2000.00 1500.00 800.00 Table 11-1 Monthly billboard rental rates