What is amortized yield of the bill in part (a) if it is sold after holding for 100 days at a price of BDT 9,800?

An investors purchased a 6 months (182days) T-bill at a price of BDT 9500 which face value is BDT 10,000. If the T-bill is HTM, calculate its yield.

If a bank purchase 100 units of 90 days commercial papers with a par value of BDT 10,000 at a price of BDT 9,850; what is the yield of this investment? What is the total amount of profit in BDT?