John is a 25% partner in Gross Partnership. Johns tax basis in Gross on January 1, 2023, was $20,000. At the end of 2023, John received a nonliquidating cash distribution of $8,000 from Gross. Grosss 2023 accounts recorded the following itemsMunicipal Bond Interest Income $12,000Ordinary income $40,000What was Johns tax basis in Gross on December 31, 2023? Select one:

a. $25,000

b. $23,000

c. $15,000

d. $30,000