Assume that bob smith dies on may 25, 2018. mr. smith's assets include the following: abc stock costing $30,000 but valued at $40,000; a house costing $280,000 but valued at $620,000; life insurance in the amount of $600,000; and cash from various sources totaling $50,700. three credit cards in mr. smith's name had balances totaling $8,530 on the date of death. the estate paid funeral and final medical expenses in the amount of $50,492. there were no charitable gifts designated by the will, and mr. smith was single at the time of his death. what is the amount of the taxable estate?