<[{" ":"4Q 2020"," Gain-on-sale margins":436},{" ":"1Q 2021"," Gain-on-sale margins":457},{" ":"2Q 2021"," Gain-on-sale margins":405},{" ":"3Q 2021"," Gain-on-sale margins":396},{" ":"4Q 2021"," Gain-on-sale margins":347},{" ":"1Q 2022"," Gain-on-sale margins":400},{" ":"2Q 2022"," Gain-on-sale margins":363}]>