Unsecured Car Finance Which Of The Following Situations Is Not An Illegal Contract?

Which of the following situations is not an illegal contract? - unsecured car finance

Which of the following is not an illegal contract?

a. An agreement between Toni and Al take a competitor Al Skating Toni.
b. An agreement between friendly and the Finance Act, a collector, run a bill in arrears ebtor Friendly's on the street to take back a car.
c. Friendly Finance interest expense by 38% in Sweden, an unsecured loan. The maximum interest rate that the equation of state of 36%.
d. Tina insurance on a new car.