Abuyer purchased a parcel of land from a seller for $500,000. the buyer financed the purchase by obtaining a loan from the seller for $300,000 in exchange for a mortgage on the land. the seller promptly and properly recorded his mortgage. shortly thereafter, the buyer gave a mortgage on the land to a creditor to satisfy a preexisting debt of $100,000 owed to the creditor. the creditor also promptly and properly recorded its mortgage. within a year, the buyer stopped making payments on both mortgages, and the seller brought an action to foreclose on his mortgage. the creditor was not included as a party to the foreclosure action. the seller purchased the property at a public foreclosure sale in satisfaction of the loan. the creditor subsequently discovered the sale and informed the seller that it was not valid. who has title to the land? response - correcta the seller, because he gave a purchase money mortgage and the creditor's mortgage was for a preexisting debt. b the seller, because the public foreclosure sale extinguished the creditor's interest. c the seller, but he must redeem the creditor's mortgage to avoid foreclosure. d the buyer, because the seller's foreclosure action was invalid without the inclusion of the creditor as a necessary party.