```\nuint256 usdcBalanceBefore = usdc.balanceOf(address(this));\nbuidl.approve(address(buidlRedeemer), buidlAmountToRedeem);\nbuidlRedeemer.redeem(buidlAmountToRedeem);\nrequire(\n  usdc.balanceOf(address(this)) == usdcBalanceBefore + buidlAmountToRedeem,\n  "OUSGInstantManager::_redeemBUIDL: BUIDL:USDC not 1:1"\n);\n```\n