A guarantees to B the extent of 10 000 rupees that C shall pay all the bills that B shall draw upon ...........

A guarantees to B, the extent of 10,000 rupees, that C shall pay all the bills that B shall draw upon him. B draws upon C, C accepts the bill. A gives notice of revocation. C dishonors the bill at maturity.

A is liable upon his guarantee

A is not liable upon his guarantee