Question

The cost to air condition a building can be estimated by using a volume calculation. If a building is in the shape of a rectangular prism with a length of 60ft a width of 45ft and the angle of elevation to the top of the building is 53.5 degrees from a point on the ground 40ft away from the base of the building. The owner of the building is considering replacing the old cooling system and he wants to determine the cost savings. The current cost to cool the building is $289 a day and the new system is estimated to cost $.0015 per cubic foot per day. To the nearest penny, how munch would the bui