Linux using PuTTY Using the following data file (delimited by a space or tab) named (section9.4.input) November 400 January 200 June 400 March 200 April 200 May 300 July 400 August 300 September 400 February 300 October 300 December 200 Write a script named (section9.4.sh) that will use a loop structure to process the data file line by line. The script will send the output to file (section9.4.out) in the following format: Month Sales -------- ------- January 200 February 300 March 200 April 200 May 300 June 400 July 400 August 300 September 400 October 300 November 400 December 200 ====== Total show the total Average show the average.