for which situation does the money amount NOT vary directly with time

Question

a.working for 15$ per hour.

b.renting an apartment for 500$ per month.

c.paying a cell phone bill with a charge of $0.35 per minute.

d. balance per month of a savings account receiving a 3% monthly interest rate.

Answer 1

gotta assume the interest kompound so $=start$*(1+%)^nt