Firm A

Step1: To make the balance sheet tallied,

Total assets = Total liabilities + share capital + Retained earnings

For this firm A

402000 = 207000+82000+Retained earnings

402000 = 289000+Retained earnings

Retained earnings = 402000 - 289000

Closing retained earnings = 113000

Step 2: income of the year

Income of the year = closing retained earnings + Dividend issued - opening retained earnings

= 113000+44000-77000

Income /(loss) for the year =80000

Firm B:

Step1 :To make the balance sheet tallied,

Total assets = Total liabilities + Retained earnings +share capital

537000 = 142000 + 306000+ share capital

537000 = 448000 + share capital

Share capital = 89000

Step 2 :

Opening retained earnings = closing retained earnings + Dividend paid - net income of the year

=306000+17000-82000

Opening retained earnings = 241000

Firm C:

Step 1: closing retained earnings = opening retained earnings+ net income of the year - Dividend paid

= 45000+ 119000- 62000

Closing retained earnings =102000

Step 2: to make the balance sheet tallied

Total assets = Total liabilities + Retained earnings + share capital

324000 = Total liabilities +102000+33000

Total liabilities = 324000 - 135000

Total liabilities =189000