(b)B, a broker at Calcutta, by the orders of A, a merchant there, contracts with C for the purchase of 10 casks of oil for A. Afterwards A refuses to receive the oil, and C sues B. B informs A, who repudiates the contract altogether. B defends, but unsuccessfully, and has to pay damages and costs and incurs expenses. A is liable to B for such damages, costs and expenses.