2 in a free-radical polymerization reaction what would be

Question

2. In a free-radical polymerization reaction what would be the effect of (a) increasing [M]₀ four times at constant [I]₀, and (b) increasing [I]₀ four times at constant [M]₀ upon: 

1. (i)  the total radical concentration at steady state, 
2. (ii)  the rate of polymerization, and 
3. (iii)  the number-average degree of polymerization.