help calculating!

hi guys do u know how to calculate

The salaries for signing free agents
1yr : 85% of the base salary
2yrs: 100% of the base salary
3yrs: 115% of the base salary
4yrs: 130% of the base salary

The salaries for re-signing restricted free agents are based on the following:
1yr : 130% of the base salary
2yrs: 145% of the base salary
3yrs: 160% of the base salary
4yrs: 175% of the base salary



and the 15% trading exception?



tnx guys hope to post and help me thank u very much!