Given the task definition and input, reply with output. 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: if | 20 x - 10 | = 190 , then find the product of the values of x ? 
Options: a ) - 45 , b ) 50 , c ) - 62 , d ) 35 , e ) - 90

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
e