From the given information compute the income chargeable under the head Interest on Securities for Ms. Aisha for the income year 2016-2017: 5% tax-exempt government securities valued Tk. 30,000; Interest received on taxable government securities Tk. 5,850; Tk. 17,025 as interest on debentures and income from zero-coupon bond- Tk. 13,000. The Bank has charged Tk. 200 collecting interest on tax-exempt government securities, Tk. 75 for taxable government securities and Tk. 150 for zero coupon bonds. The bank has deducted Tk. 440 as commission for collecting interest on debentures. In addition, debentures were purchased by taking a bank loan of Tk. 1, 50,000 @ 12% interest.

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