The $600 exemption is not entered on your K-1; that is not part of the equation for an initial and final return with a complete distribution to the beneficiaries (only when there is net income for the estate).
If you completed Schedule B, properly, then you should have a figure for DNI.
Regardless, the distribution on your K-1 should be in the neighborhood of $12,800 (from the information you posted) and that figure would appear on Line 5 (in Part III).
