"please do it in excel and send me the file or an excel drive and send me the link to see the formulas."

RF Company presents the following data related to item inventory Part Unit Cost Unit On hand Usage Annual PNO1 $ 38.89 2 PNO2 $ 25.17 101 PNO3 $ 30.50 93 13 PN04 $ 44.50 PNOS $ 40.99 3 PN06 $ 10.09 1 PNO7 $ 6.05 29 35 PNOS $ 11.43 8 17 PN09 $ 13.05 5 PN10 $ 12.36 10 7 3) If the ABC classification is developed considering A= 70%, B= 20% and C= 10%. Classification A is left with: a) 5 Part numbers b) 6 Part numbers c) 7 Part numbers d) 8 Part numbers 4) most critical part number I need to analyze is: a) PN04 b) PNO2 c) PN06 d) PNO3