ABC Credit Union Began Offering a "Sweep Account" in Which

Multiple Choice

ABC Credit Union began offering a "Sweep Account" in which funds over $500 in a chequing account would be "swept" into a money-market, interest-bearing account until the chequing account reached $100, at which point funds from the money market account would be "swept" back into the chequing account. What type of change is this an example of?

A) product or service
B) radical
C) incremental
D) product improvement