In a Local Cellular Phone Area, Company a Accounts for 60

In a local cellular phone area, company A accounts for 60% of the cellular phone market, while
Company B accounts for the remaining 40% of the market.Of the cellular calls made with company
A, 1% of the calls will have some sort of interference, while 2% of the cellular calls with company B
Will have interference.If a cellular call is selected at random, the probability that it will not have
Interference is

A) 0.014
B) 0.028
C) 0.14
D) 0.986