Healthfood Inc

 Healthfood Inc.manufactures jelly,made out of gelatin (a colorless,edible protein) in various fruit flavors.However,the sale of its current line of flavored jelly has significantly fallen.The company discovers that women used powdered gelatin dissolved in acetylene (a liquid,organic compound) to strengthen their fingernails.It introduces a flavorless jelly as a nail-building agent in an attempt to boost profits.Identify the product category involved. 

A)  Additions to existing product lines
B)  Improvements and revisions of existing products
C)  Repositionings
D)  New-to-the-firm products