Based on the information given the gift tax in 2019 is $0.
Gift tax are tax that is imposed by the federal government on taxpayer for giving out gift.
The gift tax for 2019 is $15,000 annually which means that any taxpayer that gift someone else gift either as cash or property that is not above $15,000 will not be taxed or will not incurred any gift tax.
On the other hand any taxpayer that give out gift that is above $15,000 will be taxed which means that the giver will have to file a tax return reason being that the gift is above the recommend yearly gift tax exclusion amount of $15,000.
Based on the given scenario the amount Joshua gave his son which is $13,400 is not above the yearly gift tax of $15,000 which means that Joshua will not file a gift tax return.
Inconclusion the gift tax in 2019 is $0.
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