Which one of the following loans would be most expensive? Please help me answer this question for studying. I don't think it is option b but not sure.

Question 1 options:

a)amortized loan with a balloon payment in four years.

b)amortized loan with equal loan payments

c)amortized loan with a balloon payment in three years.

d)interest-only loan

e)amortized loan with a balloon payment in two years.