62 . Refer to No . 61 . a. 5 may withdraw his offer to sell before the lapse of 30days by informing B . b . S may not withdraw his offer before the lapse of 30 days . c . S may withdraw the offer by returning the amount of P2, 000.00 that was paid to him by B. d. S may withdraw his offer even before the lapse of 30days if a favorable price, i. e. , more than P200, 000.00, is offered to him by another prospective buyer