(a)A employs B to recover 1,00,000 rupees from C, and to lay it out on good security, B recovers the 1,00,000 rupees and lays out 90,000 rupees on good security, but lays out 10,000 rupees on security which he ought to have known to be bad, whereby A loses 2,000 rupees. B is entitled to remuneration for recovering the 1,00,000 rupees and for investing the 90,000 rupees. He is not entitled to any remuneration for investing the 10,000 rupees, and he must make good the 2,000 rupees to B.