And I agree with scp1127 - - 100% guarantee, period. Refund the price of the vanilla tier ...............Vanilla Tier !!!!!! - there was no Vanilla Tier - it was a Sponge............... your agreeing with another poster yet you don't know the difference between a vanilla cake and a sponge cake - most odd. - since apparently the chocolate tier and the cupcakes were acceptable. Phone your customer immediately and let her know your check is in the mail and apologize that the vanilla tier was not up to her tastes.
Are you serious - you want the OP to admit to producing an inferior cake before knowing all the facts - IMO that is very poor business structure - very poor indeed..........
You aren't admitting to producing a lesser quality cake, Well she is if she does what you suggested in the above paragraph - at least let the OP gather facts from the customer before admitting to anything. - As i mentioned in an earlier post - Sponges aren't meant to be cut - then kept and served the next day -
but you want your customer to be happy with the whole experience.
- However, make it clear to her that if she orders from you in the future and has a problem, she must produce the remains of the cake in order to receive a refund.