Через точку не лежащую в данной плоскости проходит бесконечно много прямых параллельных данной плоскости. Доказать.

Kay has decided to take out a $23,100 loan, and she wants to pay it back in quarterly installments. She has narrowed her options down to two banks. Bank V offers a six-year loan with an interest rate of 4.6%, compounded quarterly, and has a service charge of $822.45. Bank W offers an eight-year loan with an interest rate of 3.9%, compounded quarterly, and a service charge of $722.25. Which loan will have the greater total finance charge, and how much greater will it be? Round all dollar values to the nearest cent.

Прошу помочь с решениями задач. Буду очень признателен.