Every Week,Keller's Grocery Runs a Weekly Ad in the Newspaper

Every week,Keller's Grocery runs a weekly ad in the newspaper touting its sale prices on a number of products.For example,this week the store is selling cherries for $1.50/pound and boneless chicken breasts for 99 cents/pound.Keller's sells these products at a below-market price to lure customers into the store in hopes that while they are in the store to buy chicken and cherries,they will also buy other grocery items that have a much higher markup.The store is using:

A) price lowballing
B) price maintenance
C) price lining
D) leader pricing
E) functional pricing