A danor gives $$10,000$ to a nongovernmental, not$-$for$-$profit organization with instructions that it must be used to fund the organization's general operating expenses during the following fiscal year. The donation will increase the organization's:

A$.$ Net assets without donor restrictions

B$.$ Net assets with donor restrictions

C$.$ Board$-$designated net assets $($for future expenditures$)$

D$.$ Restricted retained earnings