Pleasant Hills Properties is developing a golf course subdivision that includes 225 home lots; 100 lots are golf course lots and will sell for $111,000 each; 125 are street frontage lots and will sell for $81,000. The developer acquired the land for $1,960,000 and spent another $1,560,000 on street and utilities improvement. Compute the amount of joint cost to be allocated to the street frontage lots using value basis.