The goal programming problem with the objective function Min P 1(d 1 +) + P 2(d 2 −) is initially solved by the computer and the objective function value is 0. Which of the following constraints should be added for the second problem?

a. d1+ ≤ 0
b. −d1+ + d2− = 0
c. d1+ = 0
d. d1+ + d2− = 0

Complete the sentences. upper a decrease in current income taxes the supply of loanable funds today because it a. decreases; increases disposable income, which decreases saving b. has no effect on; doesn't change expected future disposable income c. decreases; decreases expected future disposable income d. increases; increases disposable income, which encourages greater saving upper a decrease in expected future income a. increases the supply of loanable funds today because households with smaller expected future income will save more today b. has no effect on the supply of loanable funds c. decreases the supply of loanable funds because it decreases wealth d. decreases the supply of loanable funds today because households with smaller expected future income will save less today

Baylaine is a company that sells affordable, low-end cell phones. baylaine's customers can register product or service complaints with the company through emails; the company's customer support team replies to customer queries and complaints within five hours of the receipt of an email. in the context of customer relationship management, baylaine most likely establishes with its customers.

What is the difference between a debtor and a creditor?