Lighting design personnel must: A. Understand environmental, cost, and associated benefits of energy-efficient lighting B. Recognize when specialized knowledge is necessary C. Estimate energy cost savings D. All of the above

All of the above

Explanation:

The Lighting Design Personnel is in charge of the designing, the installation, and the operation of lighting and every other special electrical effects.

Such person must understand environmental, cost, and associated benefits of energy-efficient lighting. Also, he or she must be bake to recognize when specialized knowledge is necessary and also estimate energy cost savings

Therefore, the correct option is all of the above.

income statement is prepared in order to show the profits and loss of a business. in order to prepare the income statement she should collect all the income and expenses of the product with the cost of production.