The average capital balances of partners Bridget and Emily are $3,000 and $6,000, respectively. Both women work at the business full-time. The business earned a net income of $12,000 for the period. The partners have agreed to share earnings based upon the percentage of original investment. Bridgets share of the net income is: (please show me how you got the answer)

a. $4,000

b. $6,000

c. $8,000

d. indeterminable