Using the linear averaging method, the buyer decided to compare the quality rating, service rating and price rating of supplier 123 and supplier ABC.

	Supplier 123	Supplier ABC
Quality rating	83.1	85
Service rating	89.5	88
Lowest price	90	90
Quoted price	100	90

1- What is the value if the service rating is weighted 20 for supplier 123?

2- What is the value if the quality rating is weighted 45 for supplier ABC?

3- What is the price rating of supplier 123?