Utility costs at one UISZ Power Corporation's factories are listed below:

Machine hours Utility cost $ 4221 February 39,308 March 4268 April 4234 39,573 May 4237 39,392 June 4299 July 4318 39,394 August 4305 39,787 September 4308 October 4226 39,881 39,798 39,831 39,315

Management believes that utility cost is a mixed cost that depends on machine- hours.

Question: If the company uses 4800 machine hours in November, how much will the total utility bill be? (Round any intermediate calculations to the nearest cent and your final answer to the nearest dollar. State two disadvantages of high-low method.