To which class of account would you post each of following amounts received? (a) Receipt from sale

Question:

To which class of account would you post each of following amounts received?
(a) Receipt from sale of goods
(b) Receipt of capital from the owner of the business
(c) Recovery of part of a loan given to a salesman
(d) Receipt of dividend from shares held in a company
(e) Recovery from an employee of cost of a private call