Final answer:
The correct statement for your initial departure and climb when departing IFR from runway 21L at DEKALB-PEACH...
Step-by-step explanation:
The correct statement for your initial departure and climb when departing IFR from runway 21L at DEKALB-PEACHTREE (KPDK) at night when the KPDK tower is closed, with reported weather of a 1,100 foot ceiling and 10 miles visibility, is:
Climbing left turn to heading 150° to 3,000 before turning right.
This means you should initiate a left turn after takeoff to a heading of 150° and climb to an altitude of 3,000 feet before turning right.