Dylan and Kaiyan married and moved into the house that Dylan already owned). He paid $200,000 for the house a few years before they married). At the time of the wedding, the house was worth $250,000. Things went sour and they divorced after twelve years of marriage when the house was worth $400,000. To how much of the value of the house is Kaiyan entitled if they both worked throughout the marriage and contributed to their housing costs?

a. $125,000

b. $0

c. $100,000

d. $200,000