Sam is thinking of retiring from his job after many years of faithful service. During the last 35 years at his job, his annual salary averages to $37,991. Every month, his bills total $1,755. How much money would Sam need each month to supplement his monthly Social Security benefit (assuming his annual benefit is 42% of his salary average) and still be able to pay his bills? a.At least $81.23b.At least $425.32c.At least $1,410.92d.At least $3,019.67