2) After a careful technical study of a construction project, the following unit prices were obtained: - Im of excavation=110,2501rs - Im2 of lean concrete-115,550frs - Im 3 of reinforced concrete =329.550 frs. - lm2 of formwork=31,500frs - Im2 of reservation=7,500frs - lm2 of striking of fomwwork-7,500frs. - lm2 of waterproofing 8.000 frs. - Im' of backfilling 28,750frs Other expenses - Site expenses-15\% of DP. - Contract expenses-25\% of TE - General expenses-18\% of SPWT. - Gain-5\% of SPWT. - Technical risks 8% of SPWT +2\% of TE. - Stamp duty=0.3\% of (SPWT +VAT). - VAT 19.27% of SPWT. NB DP-Dry price TE-Total expenses-Dry price tsate expenses SPWT-Selling price without taxes VAT=Value added tax Work required i) Calculate the selling coefficient, K. ii) Calculate the dry price of the project. ii Calculate the selling price without taxes of the project. iv) Calculate the selling price with all taxes for the entire project (SPWAT). NB: For questions 2 and 3, consider the dry price to be 638, 600irs