This year, the sum of ages of the Perkins family members is 78. Currently, there are 4 members: husband, wife, daughter, and son. The husband is 4 years older than the wife. The daughter is two years older than the son. If the husband is 7 times older than the son, How old is the daughter?
a) 5
b) 7
c) 10
d) 13
e) 14
a) 5
b) 7
c) 10
d) 13
e) 14
