Two Types of Existing Houses Are for Sale: Ones with a Cracked

Two types of existing houses are for sale: ones with a cracked foundation and ones without.In all other respects,they are identical.Houses without cracked foundations are worth $200,000;those with cracked foundations are worth $200,000 minus the $20,000 to fix the crack,or $180,000.The frequency of solid foundations is 80%.Sellers know which type of house they have,but buyers cannot detect a crack.No seller must sell his house in order to move,and thus no one accepts anything less than the value of their house.
-Refer to the information above.Since not all owners of solid-foundation homes will be happy with the choice of removing their home from the market,they may instead

A) simply keep it on the market indefinitely at $200,000.
B) lower their price to $180,000.
C) lower their price to $196,000.
D) offer a warranty to fix any foundation problems that develop in the next 12 months.
E) lower their price.