36. Consumer preferences for alternative product concepts can be measured through _________, a method for deriving the utility values that consumers attach to varying levels of a product’s attributes. a. marketing strategy b. marketing research c. gap level d. conjoint analysis e. purchase intentions 37. In ________, respondents see different hypothetical offers formed by combining varying levels of the attributes, then rank the various offers. a. conjoint analysis b. marketing strategy c. gap research d. need assessment e. skunkworks 38. In the past, creating physical prototypes was costly and time consuming, but computer-aided design and manufacturing programs have changed that. Today, firms can use ________ to design products on a computer, and then produce rough models of each. a. computer-aided design b. rapid prototyping c. model making d. perceived reality e. none of the above 39. The business attractiveness of a proposal is dependent on ________. a. sales projections b. cost projections c. profit projections d. all of the above e. none of the above 40. Total estimated sales are the sum of estimated first-time sales, replacement sales, and ________ for the new product. a. repeat sales b. one-time purchases c. infrequently purchased items d. consumer products e. industrial use products  Â