Determine the systematic and common names for the molecule given below, and specify if it is primary, secondary, or tertiary.

• A. Common Name: cyclopentylamine
  Systemic Name: 2,4-dimethylcyclopentanamine
  Classification: primary amine
• B. Common Name: None
  Systemic Name: 2,4-dimethylcyclopentanamine
  Classification: secondary amine
• C. Common Name: None
  Systemic Name: 2,4-dimethylcyclopentanamine
  Classification: primary amine
• D. Common Name: None
  Systemic Name: 1,4-dimethylcyclopentan-2-amine
  Classification: primary amine