Some numbers for reference presented without comment.

SPS funds 365 days per year but 'full time' is actually about 250 days per year. So the 490 SBD/day rate is 715 SBD per work day. SBD is currently worth about 60c USD so this is 429 USD/day, or $54/hour for 8-hour work days (with potential upside if SBD increases in value).