Both last 4 months.
Job B gets $412.50 a week
And Job A gets $1600 per month
1650*1.1 = 1815 Month 2's paycheck
1815*1.1 = 1996.5 Month's 3 Paycheck
1996.5*1.1 = 2196.15 Month 4's paycheck
1600*4 = $6400 Job A total
1650+1815+1996.5+2196.15 = $7657.65 Job B total
7657.65-6400 = 1257.65
$1257.65 more thant Job A
Answer is D.