Read the source and answer the questions:
The Nāśhik cave inscription (2nd century CE) of Ușhavadāta records:
"Uṣhavadāta, son of Dinika, son-in-law of king Nahapāna ... has bestowed this cave on the Samgha generally; he has also given a perpetual endowment, three thousand-3000 kāhāpaṇas, which, for the members of the Samgha of any sect, and any origin dwelling in this cave, will serve as cloth money and money for outside life (kuśhaṇa); and those kāhāpaṇas have been invested in guild dwelling at Govadhana-2000 in a weavers' guild, interest one pratika (monthly) for the hundred, (and) 1000 in another weaver's guild, interest three quarters of a paḍika (monthly) for the hundred."
a. What does this source tell us about the economic role of guilds?
b. Why were guilds trusted with money deposits?
c. Identify the donor and the donees from the given source.