ACTG 2P21 S01 June 21 2010

# ACTG 2P21 S01 June 21 2010 - ACTG 2P21 S01 Problem 9.43 we...

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ACTG 2P21 S01 June 21 2010 Problem 9.43 we will use the reciprocal method. First convert all of the percentages into decimal fractions. Go into excel and fill in the legend of the chart with the places. Add in the 1s and -1s to represent 100% in to somewhere and 100% goes out of somewhere else. Calculate the decimals and put them into the chart. All of the columns should add up to zero but Paul made a rounding error so they don’t. This is called the matrix of the services everyone provides to everyone else. We use matrix inversion because it is better than solver. It updates live. To solve highlight an area that is a square, so 5 by 5 cells then type in: =minverse(array) then hit all at once Ctrl Shift Enter then bring all the titles down around your array. Now add in our total costs below, then multiply the costs by each of those elements so =c\$22*c14 and fill this across and down. Now take the sum across rows 28 and 29 This method also shows us the journal entries. If we take the sums of c25:c29, d25:d29, etc.

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