A Couple Purchases a $400,000 Home by Paying $150,000 Cash

A couple purchases a $400,000 home by paying $150,000 cash and financing the rest with a mortgage.They make weekly mortgage payments of $400,first payment made one week after the mortgage loan is taken out.The mortgage rate is j₂ = 7%,locked in for 5-years.What is the couple's equity when the mortgage renews? (Answer to the nearest dollar)

A) $228,602
B) $148,963
C) $235,104
D) $171,398