Imagine that post cereal introduces a cereal bar, trail mix crunch, just like the ones kellogg's and general mills already have on the market. post has decided to promote the bars using ads without coupons and to price the bars at about the same price as these other brands. post cereal trail mix crunch cereal bars will also be distributed to the same stores as the products from kellogg's and general mills' bars. which of the following barriers to new product adoption will most likelyprevent the post cereal trail mix crunch cereal bars from being a successful product?

a. value barrier
b. psychological barrier
c. risk barrier
d. usage barrier
e. social barrier