Builder Products, Incorporated, uses the weighted$-$average method of process costing. It manufactures a caulking compound that goes through three processing stages prior to completion. Information on work in the first department, Cooking, is given below for May:

$\backslash$table$[[$Production data:,$],[$Pounds in process, May $1$; materials $100\%$ complete;,$60,000],[$conversion $90\%$ complete,$250,000],[$Pounds started into production during May,?