A Metal Wire Has a Resistance of 26 Ω Under

A metal wire has a resistance of 26 Ω under room temperature conditions of 19°C.When the wire is heated to 79°C the resistance increases by 0.9 Ω.What is the temperature coefficient of resistivity of this metal?

A) 5.8 × 10−⁴ (°C) −¹
B) 4.2 × 10−³ (°C) −¹
C) 18.2 × 10−³ (°C) −¹
D) 4.6 × 10−³ (°C) −¹
E) ​2.1 × 10−⁴ (°C) −¹