Q4// Work out vendor rating for following data of three companies X, Y, Z. Weightage is Quality - 50%, Price - 20%, Delivery - 20%, TQM System - 10%. Determine the best source of supply under weighed-point method. Service Details Company X Company Y Company Z Total quantity supplied 100 Nos. 90 Nos. 80 Nos. Total quantity accepted 95 Nos. 88 Nos. 76 Nos. Unit price of item Rs. 10.00 Rs.9.80 Rs.10.20 Delivery expected as per PO 4 weeks 4 weeks 4 weeks Delivery arranged 5 weeks 4-5 weeks 6 weeks Care taken for TQM system 75% 80% 70%