The correct answer is D. Bribery.
Step-by-step explanation
Bribery occurs as people offer or receive money, gits, valuable items or similar to others to obtain benefits either through influence, favors or actions that are positive for the first individual. This implies dishonest manipulation in which all the parties voluntarily agree. In the case of Harriet Landers and Neal Brown, this is a case of bribery because Neal Brown offer Harriet a bribe represented by the 10 percent kickback and Harriet accept it he is going to benefit from the profits he can get from the contract to sell the machines used by the ABC company. So, the correct answer is D. Bribery