(1) Such amounts for funeral expenses, administration expenses, claims against the estate, unpaid mortgages, losses incurred during the settlement of the estate arising from fires, storms, shipwreck or other casualties, or from theft, when such losses are not compensated by insurance or otherwise, and such amounts reasonably required and actually expended for the support during the settlement of the estate, of those dependent upon the decedent, as are allowed by the laws of Mississippi, but not including any income taxes upon the income received after the death of the decedent, or any estate taxes;

(2) An amount equal to the value at the time of the decedent’s death of any property, real, personal, or mixed, which can be identified as having been received by the decedent as a share in the estate of any person who died within two years prior to the death of the decedent, or which can be identified as having been acquired by the decedent in exchange for property so received, if an estate tax under this chapter or any previous estate or inheritance tax act of this state was collected from such estate and if such property is included in the decedent’s gross estate;

(3) The amount of all bequests, legacies, devises or gifts to or for the use of the State of Mississippi, or for any political subdivision thereof, for exclusive public purposes; or to or for the use of any corporation or association organized and operated exclusively for religious, charitable, scientific, literary, or educational purposes, no part of the net earnings of which inures to the benefit of any private stockholder or individual, or to the trustee or trustees exclusively for such religious, charitable, scientific, literary, or educational purposes. This deduction shall be made in all cases where such bequests are not prohibited by the Mississippi statute mortmain, provided that all charitable deductions shall be limited to charities located within the United States or its possessions.