In the table, the sum of the numbers in each row, column and diagonal is the same. What is the value of P+Q+R+S?

Answer Choices
A. 56
B. 60
C. 64
D. 68
E. 72
In the table, the sum of the numbers in each row, column and diagonal is the same. What is the value of P+Q+R+S?
Answer Choices
A. 56
B. 60
C. 64
D. 68
E. 72