Clarence, inc. conducts a market research study which reveals that its market size is 40%relative importance and the attractiveness rating of this factor is 80 (i. e. attractive). it identifies that its market growth is 30% relative importance and scores a rating of 60 (i. e. somewhat attractive); and its buyer power is 30% relative importance and scores a rating of 40 (i. e., somewhat unattractive). the firm has a market forces factor importance of 30%. calculate the overall market attractiveness score for the assessed opportunity