The allocation of power in each sidebands if percentage

The allocation of power in each sidebands if percentage of modulation is changed to 80%—

Here given μ = 0·8 and P^c = 1000 W
so,

P_t = P_c		1 +	μ²
			2

P_t = P_c		1 +	0.8²		= 1320 W
			2

Now,
P_t = P_c + P_USB + P_LSB
1320 = 1000 + 2P_USB (∴ P_USB = P_LSB)

P_USB =	320	= 160 W
	2