Study the following table carefully to answer the questions.
Rate of interest (P.C.P.A.) offered by five companies on deposits under different schemes
Mr. Lal invested ₹ 30,000 in Company A under Scheme II, which offers compound interest and ₹ 48,000 in Company D under Scheme II, which offers compound interest. What will be the total amount of interest earned by Mr. Lal in two years?