When calculating the present value for financial liability, why are 0.7130 and 4.1002 in the equation? How do we get these numbers?

Aster Ltd issues 100 000 $1 redeemable convertible notes. The notes pay interest at 5% p.a. Each note converts at any time at the option of the holder into one ordinary share. The notes are redeemable at the option of the holders for cash after 5 years. Market rates for similar notes without the conversion option are 7% p.a