Required information EX 6-30 (Static) High-Low Method; Tour Company (LO 6-1, 6-2, 6-5) [The following information applies to the questions displayed below.] Rio Bus Tours has incurred the following bus maintenance costs during the recent tourist season. [The real is Brazil's national monetary unit. On the day this exercise was written, the real was equivalent in value to 0.2545 U.S. dollar.] Miles Traveled by Month Tour Buses Cost November 8,500 11,400 real December 10,600 11,600 January 12,700 11,700 February 15,000 12,000 March 20,000 12,500 April 8,000 11,000