A machine and method including a computer configured to generate and display multiple computer screens. A first computer receives data representing a first component of property and a second component of the property from at least one other computer, the property being a fixed-income asset, and is programmed to manipulate the data to generate one yield/discount rate for the first component and another yield/discount rate for the second component and to display the one yield/discount rate on a monitor in a first computer screen generated by the first computer and the other yield/discount rate on a monitor in one of the first computer screen and another computer screen generated by the first computer, and to compute purchase prices for the components in consummating a sale and corresponding purchase of the first component to one buyer and a sale and corresponding purchase of the second component to another buyer.