A telecommunication service provider is offering two payment options for its one-year unlimited talk mobile phone plan. pay the regular monthly subscription the end of each month for the next 12 months. Pay for the entire year in one lump sum at the beginning of the year. This amount be equal to 11 times the regular monthly subscription. If a subscriber’s MARR, expressed as an annual nominal interest rate compounded monthly, is 18%, should he choose Option 1 or Option 1?