Refer to the data below and answer the ques ons that follow

Mr. Tanna had invested an amount of Rs. 2,80,000 comprising five stocks A, B, C, D and E at the beginning of the year. The amount of his investments in these stocks was Rs. 20,000, Rs. 30,000, Rs. 50,000, Rs. 80,000 and Rs. 1,00,000 not necessarily in that order. He saw his portfolio's value decline by only $\frac{5}{7}$% during the calendar year. A declined by 60%, B declined by 80%, C declined by 50% and E 1 declined by $33\frac{1}{2}\%$. The amounts received back at the end of the year on selling the four of these stocks 3 were Rs. 10,000, Rs. 20,000, Rs. 40,000 and Rs. 2,00,000 not necessarily in that order.