You cannot change a foreign key value unless the value you are changing it to already exists in the primary key table. Which action is most effected by this rule?

A product line might be ___________________ if: some product items don't contribute to profits, resources must be allocated to slow-moving product items, some product items are obsolete

Fill in the blank(s) with the appropriate word(s).

Which is a debit to the seller on a seller's closing statement?

a. Selling price b. Prepaid taxes c. First trust deed to be assumed by buyer d. All of these