On November 10, 2020, Maher, Saher, and Taher, partners of Maher, Saher, & Taher LLP, had capital account balances of $40,000, $50,000, and $18,000, respectively, and shared net income and losses in a 4 : 2 : 1 ratio respectively. the Capital per unit of income sharing ratio for Maher would be:

a.

$20,000.

b.

$25,000.

c.

$40,000.

d.

$10,000.