If a company has $10,000 in Cash, $2,000 in Accounts Receivable, $100,000 in Building and Land, $30,000 in Accounts Payable, and $20,000 in Notes Payable, how much is the business worth or what is its equity?

What i am thinking is its worth $162,000. If not i am sorry.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.