Ryan had to make payments of $2000 and $3000 in 10 months and 18 months, respectively, to a raw material supplier. What single payment in 5 months would settle both these payments? Assume an interest rate of 6% p.a. and use 5 months as the focal date.

Select one:

a. $4496.68

b. $4733.19

c. $4799.28

d. $4725.29

e. $4768.12