https://news.wfu.edu/2000/12/01/gifts-brought-to-the-baby-jesus-reveal-he-was-accepted-as-a-king-by-gentiles-wfu-professor-says/

Many estimate that at that time, translated into modern money, frankincense would have cost $500 per pound. Myrrh would have cost $4,000 per pound.

gold cost ~$4500 per pound on the date this article was published. the actual quantities offered as gifts are not included in the gospel.