How do stock holders make money (get a return on their investment)?

Stock holders get their money by capital gains and dividends.

Explanation:

A capital gain is a share of stock that represents a fraction of ownership of the corporation that distributed it. A dividend is a payment that corporations can choose to pay to stock shareholders as a means of attracting and retaining investors.

Laurence has an absolute advantage in both programs and sunglasses

Explanation:

            "Absolute advantage" is used in economic terms which means the capability of an individual or organisation to produce or have an advantage of producing more product or services using the equal amount of resources is termed as having "absolute advantage" for that individual or organisation.

            Here while writing programs, Laurence wrote 10 programs while Carrie Anne can wrote 5 programs.

            And  while making sunglasses, Laurence made 6 sunglasses while Carrie Anne made 4 sunglasses.

           Thus it is seen that in both the cases, the productivity of Laurence is more than the productivity of Carrie Anne when using same amount of time.

Thus the answer is

"Laurence has an absolute advantage in both programs and sunglasses".