Transmission of light is the moving of electromagnetic waves (whether visible light, radio waves, ultraviolet, etc.) through a material. This transmission can be reduced, or stopped, when light is reflected off the surface or absorbed by the molecules in the material.
An FBI agent at GS-12 step 5 would earn an annual salary of  $68,993. More experienced agents with longer tenure will have a higher grade and step rating. An agent at GS-14 step 1 would earn $85,544, while an agent on GS-14 step 4 would have an annual salary of $94,097.
How much is CIA Agent income? The nature of the business is dangerous and CIA Agent income, along with the high level and intensity of training, reflects that. According to the CIA website, CIA Agent income ranges from $52,976 to $81,204 per year.