I need typing answer urgent and no plagarism

The average starting salary for engineers was $14,000 a year in 1990. Dni, an electrical engineer, got an offer for $90,000 a year in 2021. Knowing that the CPIs for 1990 and 2021 are 52 and 247, respectively, what is David's percentage real salary change in terms of constant 1990 dollars?

A) 255.00% B) 25.26% C) 26.49% D) Answers A, B and C are not correct