P = R - C
R - C = P
- C = P - R
Multiply both sides by - 1
-C*-1 = -1*(P - R)
C = -P + R
C = R - P
Total of what? You can put the question in the comment section of this comment.
It is simplified as much as it can go.
Answer:
2.06
it's a really long answer so just 2.06