Answer:
a)Received cash for services performed.
+ Assets (cash)
+ revenues (fees earned)
This has impact on stockholders equity as the revenues increase the earnings of the business. The company receives an asset (cash increasease of their services, that asset received is what icnrease the value of the company)
b)Paid cash to purchase equipment.
+ Assets (equipment)
- Assets (cash)
This transaction doesn't involve Equity It is just a change in the Assets compositions. It has no impact on the income neither.
Explanation: