Terry was ill for three months and missed work during this period. During the illness, Terry received $4,500 in sick pay from a disability insurance policy. What amounts are included in Terry's gross income under the following independent circumstances? Note: Leave no answer blank. Enter zero if applicable. Required: a. Terry has disability insurance provided by his employer as a nontaxable fringe benefit. Terry's employer paid $2,800 in disability premiums for Terry this year. b. Terry paid $2.800 in premiums for his disability insurance this year. c. Terry's employer paid the $2,800 in premiums for Terry, but Terry elected to have his employer include the $2,800 as compensation on Terry's W-2. d. Terry and his employer share the cost of the disability insurance. Terry's employer paid $1,800 in disability premiums for Terry this year as a nontaxable fringe benefit, and Terry paid the remaining $1,000 of premiums from his after-tax salary. Note: Do not round intermediate calculations. Round your answer to the nearest whole dollar amount. Complete this question by entering your answers in the tabs below. Terry has disability insurance provided by his employer as a nontaxable fringe benefit. Terry's employer paid $2,800 in disability premiums for Terry this year