13. Application to set aside sale on deposit and confirmation of sale in default or on dismissal of such application.

(a) for payment to the Central Nortgage Bank or the Mortgage Bank, the amount specified in the proclamation of sale together with subsequent interest and the costs, if any, incurred by the bank in bringing the property to sale; and
(b) for payment to the purchaser, a sum equal to such per cent of the purchase money as prescribed.