3. Danielle has worked for the City of Buffalo for the last 20 years. She has deferred $19,000 into her 457(b) plan for 2019. She will attain her normal retirement age under the City's 457(b) plan in 2019. Danielle has prior unused deferral amount of $45,000 as of December 31, 2018. How much can Danielle contribute as her three-year catch-up contribution in 2019? a. $0. b. $19,000. C. $25,000. d. $38,000