For 2016, you are given the following facts about an S corporation: Increase in AAA of $32,000; increase in OAA of $6,300; payroll tax penalty of $2,140; tax-exempt interest income of $4,800; and nondeductible insurance premiums paid of $2,700. A 40% shareholder has a 1-1-16 stock basis of $36,800 and purchases additional stock during 2016 for $22,000. This shareholders 12-31-16 stock basis is

a. $71,600

b. $74,120

c. $76,220

d. $78,920

e. None of the above