Computing Issue Price for Zero-Coupon Bonds

Baiman, Inc. issues $500,000 of zero-coupon bonds that mature in 10 years. Compute the bond issue price assuming that the bonds' market rate is: a. 8% per year compounded semiannually. Round your answers to the nearest dollar.

Present value of principal repayment

228,193

b. 10% per year compounded semiannually. Round your answers to the nearest dollar.

Present value of principal repayment

188,445

c. If prior to the debt issue at 10%, the firm had total assets of $3 million and total equity of $1 million, what would be the effect of the new borrowing on the financial leverage of the firm? Round your answers to two decimal places.

Financial leverage prior to borrowing	2r
Financial leverage subsequent to borrowing	2.19
Increase (Decrease) in financial leverage	0.19

Can someone explain where 2.19 is from? Please provide steps. Specifically, how does one get to 0.19. THank you