Mary and Marty are interested in obtaining a home equity loan. They purchased their house five years ago for $$$$163$ comma $000,$ and it now has a market value of $$$$198$ comma $288.$Originally$,$ Mary and Marty paid $$$$37$ comma $875$ down on the house and took out a $ $125$ comma $125$ mortgage. The current balance on their mortgage is $$$$113$ comma $820.$ The bank uses $75\%$ of equity in determining the credit limit$.$ What will their credit limit be if the bank bases their credit limit on equity invested and will loan them $75\%$ of the$$ equity?

Part $2$

If the bank bases their credit limit on equity invested and will loan them $75\%$ of the$$ equity, their credit limit will be