Credit card companies show very small minimum$-$payment

amounts on borrowers' monthly credit card statements

because

a$.$ the endowment effect will increase interest earnings for the credit

card companies

b$.$ the anchoring effect will increase interest earnings for the credit

card companies

c$.$ the low$-$income hypothesis will increase interest earnings for the

credit card companies

d$.$ the availability heuristic will increase interest earnings for the credit

card companies