Matilda Works for a Company with 1,000 Employees

Matilda works for a company with 1,000 employees.The company has a hospitalization insurance plan that covers all employees.However, the employee must pay the first $3,000 of his or her medical expenses each year.Each year, the employer contributes $1,500 to each employee's health savings account (HSA) .Matilda's employer made the contributions in 2018 and 2019, and the account earned $100 interest in 2019.At the end of 2019, Matilda withdrew $3,100 from the account to pay the deductible portion of her medical expenses for the year and other medical expenses not covered by the hospitalization insurance policy.As a result, Matilda must include in her 2019 gross income:

A) $0.
B) $100.
C) $1,600.
D) $3,100.
E) None of these.