I need help with working out the debt maturity. The answer is 5.18 but I'm not sure how to get to that. Could you show calculations?

Question 3 Create a cash forecast for Phonak Inc. for the month of January. You have been provided with the following information: . Sales in November were $6.5 mln while in December they were $12.8 mln Sales are expected to decrease in January by 25%, month-over-month Customers typically pay as follows: 45% in cash, 45% in one month, and 8.5% in two months COGS are 65% of sales Your firm pays suppliers as follows: 35% in cash, 60% in one month, and the remainder in two months Fixed costs are $3.5 mln per month Wages and salaries are 15% of the current month's sales plus a fixed portion of $1.5 mln per month . $0.25 per Your firm will pay its annual dividend in January. The dividend is anticipated to be share and there are currently 1.25 mln shares outstanding. Your firm also has debt outstanding. This debt has a face value of $5 mln and each bond is currently trading at a quoted value of 97.565. The bonds have a coupon rate of 7%, make semi-annual coupon payments, and will mature in January. The YTM on the bonds is 7.5%. Question 3 Create a cash forecast for Phonak Inc. for the month of January. You have been provided with the following information: . Sales in November were $6.5 mln while in December they were $12.8 mln Sales are expected to decrease in January by 25%, month-over-month Customers typically pay as follows: 45% in cash, 45% in one month, and 8.5% in two months COGS are 65% of sales Your firm pays suppliers as follows: 35% in cash, 60% in one month, and the remainder in two months Fixed costs are $3.5 mln per month Wages and salaries are 15% of the current month's sales plus a fixed portion of $1.5 mln per month . $0.25 per Your firm will pay its annual dividend in January. The dividend is anticipated to be share and there are currently 1.25 mln shares outstanding. Your firm also has debt outstanding. This debt has a face value of $5 mln and each bond is currently trading at a quoted value of 97.565. The bonds have a coupon rate of 7%, make semi-annual coupon payments, and will mature in January. The YTM on the bonds is 7.5%