Which of the following is true of performance standards? a. performance standards should be established before the work is performed. b. only numerical performance standards can be established. c. performance standards should be established while the work is being performed. d. only nonnumerical performance standards can be established.

alternative A.

Explanation: Performance standards establish what are the starndards a company is persuing while offering a service or a product, for example. It can be a number of products that must be produced per day, how well or badly rated it is going to be according to their clients, etc. It is meant to optimize the production and maximize the profit. Therefore, it can't be applied while the work is being done, it has to be planned as any other selling strategies.

according to the song of roland, the characteristics of an ideal knight are: loyalty to the king, skilled warriors and horseman, valiant, bold, courageous, strong and proud in battle. they should be determined to fulfil their duties and willing to die to make their people safe.

none

explanation:

we're are the selections to pick from?