Jake is the maker of a $2,000 promissory note payable to Kim. Kim indorses the note to Lou who, in turn, indorses it to Mona, who then indorses it to Nat, the present holder. Suppose that Mona pays Nat on the note. With timely notice to the proper parties, Mona may collect payment on the note from:

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?