The following information are collected from Sunshine company for the year ended (Overno e Jow) December 31, 2014 (ibi 14) Year 2011 2012 2013 2014 Sale 20,000 25,000 30,000 38,000 Cost of Sale 9,000 8,000 9,500 10,500 Net Profit 6,000 7,000 11,000 12,500 a- Use 2011 as base year and calculate percentage changes using net percentage method. 4marks b- Prepare the graph and make you comment on it.6marks C- Calculate changes using gross percentage method. 4marks