Add special investment account types

• Decide how to track a 401(k)/403(b) account
• Add a 401(k)/403(b) account
• Mark an account as tax deferred
• Add an IRA-type account (traditional IRA, Roth IRA, Education IRA, SEP-IRA, SIMPLE, or Keogh plan)
• Add a single mutual fund investment account
• Add an account to track employee stock purchase plan (ESPP) shares
• Add an employee stock option grant (ESOG)