4. Jacobs put an old typewriter in the trash. The trash collector, Land, took the typewriter, fixed it up, and sold it to Jones for $750. Jacobs contends that he is entitled to some or all of the $750 that Land received from Jones. Based on these facts: A. Land is entitled to the value of the improvements be made, but Jacobs is entitled to the difference between the $750 Land received and the value of the improvements Land made. B. Land is entitled to keep the full $750 because Jacobs had abandoned the typewriter. C. Jacobs is entitled to the $750 because Land paid Jacobs no consideration for the typewriter. D. Jacobs is entitled to recover the typewriter from Jones.