Labor remuneration: the sum of all remuneration received by workers for providing labor, which is equal to the sum of wages and benefits. According to the above definition, which of the following combinations constitutes labor compensation? ['Xiao Wang has completed 500 piece-counting tasks in excess. Based on the unit price of 10 yuan, the company paid him 5000 yuan.', 'Xiao Wang completed the task in excess, and the company gave him two weeks of paid vacation in addition to a certain amount of salary.', "Xiao Wang used the company's 5,000 yuan to buy stocks and received 2,000 yuan in revenue.", 'Xiao Wang worked overtime for 4 hours after completing the task, and the company paid him 400 yuan overtime.']