a) Rudolph, Prancer and Blitzen have the most expensive names.
b) Comet, Vixen and Cupid have the least expensive names.
(Did anyone notice that all the names have 2 vowels so you only need to look at the number of consonants to discover who had the most or least expensive names?)
c) Dasher = £29.40
Prancer = £35.10
Comet = £23.70
Donner = £29.40
Rudolph = £35.10
Dancer = £29.40
Vixen = £23.70
Cupid = £23.70
Blitzen = £35.10