"You saved % in fees" message on solution step

[leonardoarcari]

Display some informative text to the user showing how much they saved in management fees:

• Saved in 5 years
• Saved in 10 years
• Saved in 20 years

Resources:

• https://www.ici.org/system/files/2022-03/per28-02_2.pdf
• https://www.riainabox.com/resources/2019-ria-industry-study-total-average-fee-is-117