Detailed Instructions: In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Problem:Problem: an employee ' s annual salary was increased 50 % . if her old annual salary equals $ 80,000 , what was the new salary ?
Options: a ) $ 128,000 , b ) $ 120,000 , c ) $ 110,000 , d ) $ 139,000 , e ) $ 125,000
Solution:
b