From the US. Bureau of Economic Analysis website, download the 2012 \"Use Table\" from the input-output accounts data, with 405 industry detail (the main use table, not the supplemental estimates). a. According to this table, what are the total sales of the \"Natural gas distribution\" industry? Please specify and check the units of measure. b. Find the industry that includes UC Berkeley. How much did this industry spend on \"cheese manufacturing\"? Give a sentence explaining what you think this could represent