Nelda suffered a serious stroke and was admitted to a nursing home for $140$ days. Nursing home charges, including physician fees and other related expenses were $$33,000.$ Under Nelda's long$-$term care insurance contract, she received reimbursements of $$30,000.$ How much of the $$36,000$ reimbursement must be included in Nelda's gross income?

A$)$ $$0$

B$)$ $$1,400$

C$)$ $$36,000$

D$)$ $$3,000$

$$