ok so heres what i found
<InternalName>YieldTokenEntry_Small_Wealth</InternalName>
<ControlType>Frame</ControlType>
<ArtDefine>WealthToken1Icon</ArtDefine>
<InternalName>YieldTokenEntry_Medium_Wealth</InternalName>
<ControlType>Frame</ControlType>
<ArtDefine>WealthToken5Icon</ArtDefine>
<InternalName>YieldTokenEntry_Large_Wealth</InternalName>
<ControlType>Frame</ControlType>
<ArtDefine>WealthToken10Icon</ArtDefine>
<InternalName>YieldTokenEntry_Larger_Wealth</InternalName>
<ControlType>Frame</ControlType>
<ArtDefine>WealthToken25Icon</ArtDefine>
<InternalName>YieldTokenEntry_Huge_Wealth</InternalName>
<ControlType>Frame</ControlType>
<ArtDefine>WealthToken50Icon</ArtDefine>
so the way i read this is
small =1
medium =5
large = 10
larger =25
huge = 50
so lets apply those values to your numbers
Manufacturing: 34.9? One large hammer, 3 small.
okay so umm .....nope?
Manufacturing: 23.4? One medium hammer, 3 small.
umm yeah .......... wait wait hold on lets try one more
Research: 68.4 One even bigger research, one medium, one small.
.... yeah i got nothing