Looking from the company perspective, it would likely be 20% of the fully loaded cost for an employee (of which pay is just a part) - I think fully loaded cost

Looking from the company perspective, it would likely be 20% of the fully loaded cost for an employee (of which pay is just a part) - I think fully loaded cost can be closer to 1.5x pay in some cases, so maybe 80% time for 70% pay makes more sense.