A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books. A secondary source describes, interprets, or synthesizes primary sources.
C; Tone.
(sample text to fill the limit here)
Answer:
more than you can afford is a correct sentence with good meaning
Doings a heard job or being your self after a long day