Michael is employed full time and earns a salary of $120,000 per year, paid equally per month at $10,000 per month. In February of this year he is involved in a serious car accident and does not work for the remainder of the year, but collects disability insurance from his employer's disability plan. He is paid his $10,000 monthly salary for both Jan and Feb. How many quarters of coverage for the year will Michael receive under Social Security?

a. 4

b. 2/3

c. 1

d. 0