In preparing your monthly report, you want to determine whether or not your firm's sales for the month have exceeded average sales for the previous 12 months. Using the data below, estimate the firm's average sales for the last 12 months. Provide your answer to the first decimal point, that is, 0.9 instead of 1. Month Sales January 177,968 February 132,872 March 168,059 April 143,759 May 159,702 June 169,603 July 147,164 August 145,102 September 149,743 October 160,933 November 264,097 December 300,000

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