Calculate the value of (HP Glomcap- (HP Capspace+OP Glomcap)) when HP Glomcap = 55 and OP Glomcap = 15+30. (Note: Glomcap is measured in mmHg)
1) 10 mmHg
2) 25 mmHg
3) 40 mmHg
4) 70 mmHg