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 do CIA agents typically make? CIA agents make between $74,872 and $136,771 for full-time work, according to the official Central Intelligence Agency website, cia.gov. Payscale.com pegs the average salary of a CIA agent at $81,623 annually, with entry-level agents in the $40,000 to $60,000 range.