TL is a currency, you can think of it as a dollar.

8. (10 points) You buy a mobile phone that comes with a one year warranty. The mobile phone company sells an extended warranty for 50 TL. If you buy the contract, all repairs for 3 additional years are free. Consumer Reports show that 10% of mobile phones like yours require a repair costing an average of 150 TL in the second, third or fourth year of ownership. Should you buy the extended warranty