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Sara sold short securities with a 50% initial margin and a 40% maintenance margin. When would she expect to receive a margin call? 40% rise in price. 22.9% fall in price. 7.14% rise in price. 50% rise in price. 15.38% rise in price. Sara sold short securities with a 50% initial margin and a 40% maintenance margin. When would she expect to receive a margin call? 40% rise in price. 22.9% fall in price. 7.14% rise in price. 50% rise in price. 15.38% rise in price