When any partner retires and the remaining partners carry on the business with the firm's property without any final settlements of accounts the outgoing partner is entitled to:

A. Interest @ 6% per annum of the amount due to him

B. Such share of the profits as may be proportionate to his share of the firm's property

C. Interest at mutually agreed rate

D. Interest at the rate charged by Banks on the amount due to him

Answer: Option C