Abby has twice as many books as Bob, and Jane has three times as many books as all Abby, Bob, and Jane have combined. If they have a total of 372 books, how many books does each of them have?
a) Abby: 248, Bob: 62, Jane: 62
b) Abby: 124, Bob: 62, Jane: 186
c) Abby: 124, Bob: 62, Jane: 124
d) Abby: 62, Bob: 124, Jane: 186