Both Tonya and Edna Went to Buy a Black Sweater

Both Tonya and Edna went to buy a black sweater.Edna bought hers from Dillard's for $79.Tonya bought a similar one at Sears and paid $34.95.Edna is convinced her sweater is much superior to Tonya's because it is more expensive.Which of the following is the psychological factor that makes Edna buy such high-priced items?

A) The use of odd pricing which made Edna feel like she got more for her money
B) The use of prestige pricing which means the high price was used to signal high quality
C) The use of bundle pricing which stresses both value and convenience to Edna and validates the high price of the sweater
D) The use of price elasticity which determines Edna's and Tonya's price sensitivity