Answer:
On January 1, 2015, Robert invested $50,000 in his business.
Date Account Debit Credit
January 1, 2015 Cash
50,000
January 1, 2015 Cash
50,000
On January 4, 2015, Robert bought a laptop for $2,800 for business use.
Date Account Debit Credit
January 4, 2015 Office Computer
2,800
January 4, 2015 Cash
2,800
On January 20, 2015, Robert received $13,000 for services rendered.
Date Account Debit Credit
January 20, 2015 Cash
13,000
January 20, 2015 Revenue
13,000
On January 23, 2015, Robert paid salaries to his staff for $3,500.
Date Account Debit Credit
January 23, 2015 Salaries
3,500
January 23, 2015 Cash
3,500
Step-by-step explanation: