In $2024,$ Starsearch Corporation began work on three research and development projects. One of the projects was completed and commercial production of the developed product began in December. The company's fiscal year$-$end is December $31.$ All of the following $2024$ expendltures were included in the R&D expense account:

$\backslash$table$[[$Salaries and wages for:,$],[$Lab research,$$410,000$