ISLAMABAD, Nov 5 (APP): Chartered Accountant firm Ferguson &Co. Saturday stated that there were no discrepancies between the taxreturns of Prime Minister Muhammad Nawaz Sharif and his daughterMaryam Nawaz Sharif. In its report, the audit firm said that the opposition’scriticism in the plot purchase issue was baseless, reported a privatenews channel. According to the report, the tax returns filed by PM and his