What is extent weight age of percentages of quality and price for different types of projects?

As in contractor selection paper stated that quality / price ratio will be in range of to.and vice-versa.

Now below is the table given in poth book , my query is which type of projects fall under the respective4  categories.

Innovative projects  / to/  Complex projects  / to/  Straightforward projects  / to/  Repeat projects  5/ to/ 

 

What would be the precise quality / price ratios for evaluating tender of buildings of Complex,Residential? .

As poth book suggested that quality/ price ratio would be/.