Par Inc purchased all of the outstanding common shares of Sub Corp for cash of $300,615 on Jan 1, Year 1. On the date of acquisition, Sub's identifiable net assets had a carrying value of $240,484. The acquisition differential was allocated to the excess of fair value over book value as follows: inventory's fair value was higher by $24,037; Equipment's fair value was lower by $15,024; Trademarks' fair value was higher by $19,034; and Bonds Payable's fair value was higher by $6,009. Equipment, Trademarks, and Bonds Payable each had an amortizable life of ten (10) years. What will be the net unamortized balance of the differences between fair values and carrying values at the end of Year 1?

a. $39,231

b. $40,143

c. $36,494

d. $37,406

e. $38,318