Hello User,
I'm not sure if this is the correct answer but I try..
Answer : 17.50
Steps:
Alexander total $1,680 per year
load payment is 2/25 of his monthly income (2/25=0.08)
So 1,680 divided by 12 (cause 12 month in a year)= 140
140 divided by 0.08 = 1750