Answer:A. Companies use investments to pay for services that improve their productivity.
Explanation:
The best description of the relationship between investments and productivity is that A. Companies use investments to pay for services that improve their productivity.
Investments made by companies include:
Increasing the production capacity factories
Buying more efficient machinery and equipment
Hiring more people
All of the above are needed to improve productivity which means that if a company wants to improve its productivity, it will need to make investments that enable it to do so.
In conclusion, investments are needed to increase productivity.