When dr. putt invented his eye-over-the-ball (eob) golf putting device, he knew during the introductory stage:
a. sales would rise quickly, profits would jump, and even laggards would buy his product.
b. sales would level off, profits would decline, and mature golfers would be attracted to his product.
c. sales would slow down, profits would peak, and early adopters of golf equipment would behis major customers.
d. sales would be low, profits non-existent, and he would attract golf equipment innovators.
e. sales would be low, profits would be high, and all potential golfers would jump at the opportunity to buy his product