Assurance Inc. conducts a market research, which reveals that its market size is of 25% relative importance and the attractiveness rating of this factor is 70 (i.e., attractive). It identifies that its market growth is of 40% relative importance and scores a rating of 45 (i.e., somewhat attractive); and its buyer power is of 35% relative importance and scores a rating of 50 (i.e., somewhat unattractive). The firm has a market forces factor importance of 40%. Calculate the overall market attractiveness score for the assessed opportunity.