In the context of Post-Mauryan and Gupta-era merchant guilds, what was the specific distinction between a 'Sarthavaha' and a 'Shresthi'?

Options:

• A: A Sarthavaha was a state-appointed trade regulator, while a Shresthi was an elected representative of the artisans.
• B: A Sarthavaha dealt exclusively with maritime trade, while a Shresthi managed inland riverine trade.
• C: A Sarthavaha was the leader of mobile caravan traders, while a Shresthi was a settled chief merchant or banker in an urban center.
• D: A Sarthavaha was the head of a manufacturing guild, while a Shresthi was the head of a retail guild.

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