All the following statements are incorrect except $(3$ points$)3\_\_\_\_\_$

a$)$ Competition pricing strategy initially sets a high price, which may gradually lower to drive

rivals out and increase market share.

b$)$ Food manufacturers and processors only add form utility and may not occasionally add

place and time utility.

c$)$ According to the penetration pricing strategy, products may be bundled together and sold

at a discounted price.

d$)$ Kellogg's and Apple have demonstrated strong capabilities in managing product life

cycles, successfully extending the maturity phase of their products for decades