The Total Direct Cost will be the sum of Material, Labor, Selling, and Administrative costs.
That total will be $1,900,000
The Fully Burdened Cost will be Direct Costs + Overhead expense
That total will be $1,900,000 + 600,000 = $2,500,000
The number of units produced is not a relevant figure in these calculations, but it can be used to determine the unit cost.