Which of the Following Is True of the Product Life

Which of the following is true of the product life cycle?

A) In the early stages of the product life cycle,the NMC is positive.
B) As the product moves into the declining stage,it reaches a break-even NMC.
C) As the market matures,flat market demand,and lowered marketing and sales expenses results in higher NMCs.
D) At a break-even NMC,the gross profit is equal to the marketing and sales expenses.
E) At the early growth stage,the annual NMCs grow and eventually peak.