please answer and explain formulas

If you buy 1 million face value 180 -day T-bill at a discounted yield of 5% 3. what is the BEY on the bill? 4. Suppose you sold the bill after 30 days at a price of $977,000 what is your holding period yield? Did interest rates rise or fall over the holding period? 5. What is the profit or loss if you financed the bill with a 30-day term repo at a repo rate of 5.5% ? Assume the bill will be sold at the end of 30 days at a discount yield of 5.50% If you buy 1 million face value 180 -day T-bill at a discounted yield of 5% 3. what is the BEY on the bill? 4. Suppose you sold the bill after 30 days at a price of $977,000 what is your holding period yield? Did interest rates rise or fall over the holding period? 5. What is the profit or loss if you financed the bill with a 30-day term repo at a repo rate of 5.5% ? Assume the bill will be sold at the end of 30 days at a discount yield of 5.50%