| MFWIX | RIRBX | MFWIX / RIRBX | |
| Total Expense Ratio | 0.84 | 1.35 | 62% |
| Annual Report Gross Expense Ratio | 0.95 | 1.35 | 70% |
| Fund Existence | 29 years | 24 years | - |
| Gain YTD | 5.076 | 7.077 | 72% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.22B | 128B | 1% |
| Annual Yield % from dividends | 3.13 | 2.02 | 155% |
| Returns for 1 year | 7.69 | 11.62 | 66% |
| Returns for 3 years | 18.56 | 38.40 | 48% |
| Returns for 5 years | 0.58 | 33.11 | 2% |
| Returns for 10 years | 34.32 | 65.06 | 53% |