Using the following information, answer the questions below.

Factors Points Level $1$ Level $2$ Level $3$ Level $4$ Level $5$

Skill $250$

Education $1530456075$

Experience $20406080100$

Knowledge $1530456075$

Effort $75$

Physical demands $1020304050$

Mental demands $510152025$

Responsibility $100$

Equipment or process $510152025$

Material or product $510152025$

Safety of others $510152025$

Administrative $510152025$

Job conditions $75$

Work conditions $1020304050$

Hazards $510152025$ Which compensable factor is most valuable?