| MFWBX | RIRBX | MFWBX / RIRBX | |
| Total Expense Ratio | 1.84 | 1.35 | 136% |
| Annual Report Gross Expense Ratio | 1.95 | 1.35 | 144% |
| Fund Existence | 33 years | 24 years | - |
| Gain YTD | 8.016 | 9.957 | 81% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.25B | 128B | 1% |
| Annual Yield % from dividends | 1.71 | 2.01 | 85% |
| Returns for 1 year | 8.74 | 12.38 | 71% |
| Returns for 3 years | 16.29 | 38.22 | 43% |
| Returns for 5 years | -1.63 | 36.25 | -4% |
| Returns for 10 years | 22.37 | 61.86 | 36% |