$VAR1 = [
          {
            'Street_Number' => '132',
            'Estimated_Cost' => '1984',
            'Permit_Number' => '1'
          },
          {
            'Street_Number' => '93',
            'Estimated_Cost' => '1748',
            'Permit_Number' => '2'
          },
          {
            'Street_Number' => '92',
            'Estimated_Cost' => '1372',
            'Permit_Number' => '3'
          },
          {
            'Street_Number' => '73',
            'Estimated_Cost' => '2948',
            'Permit_Number' => '4'
          },
          {
            'Street_Number' => '83',
            'Estimated_Cost' => '3105',
            'Permit_Number' => '5'
          },
          {
            'Street_Number' => '13',
            'Estimated_Cost' => '1299',
            'Permit_Number' => '6'
          },
          {
            'Street_Number' => '28',
            'Estimated_Cost' => '1301',
            'Permit_Number' => '7'
          },
          {
            'Street_Number' => '35',
            'Estimated_Cost' => '1305',
            'Permit_Number' => '8'
          },
          {
            'Street_Number' => '47',
            'Estimated_Cost' => '1091',
            'Permit_Number' => '9'
          }
        ];

Unsorted costs:  1984, 1748, 1372, 2948, 3105, 1299, 1301, 1305, 1091,

$VAR1 = [
          {
            'Street_Number' => '47',
            'Estimated_Cost' => 1091,
            'Permit_Number' => '9'
          },
          {
            'Street_Number' => '13',
            'Estimated_Cost' => 1299,
            'Permit_Number' => '6'
          },
          {
            'Street_Number' => '28',
            'Estimated_Cost' => 1301,
            'Permit_Number' => '7'
          },
          {
            'Street_Number' => '35',
            'Estimated_Cost' => 1305,
            'Permit_Number' => '8'
          },
          {
            'Street_Number' => '92',
            'Estimated_Cost' => 1372,
            'Permit_Number' => '3'
          },
          {
            'Street_Number' => '93',
            'Estimated_Cost' => 1748,
            'Permit_Number' => '2'
          },
          {
            'Street_Number' => '132',
            'Estimated_Cost' => 1984,
            'Permit_Number' => '1'
          },
          {
            'Street_Number' => '73',
            'Estimated_Cost' => 2948,
            'Permit_Number' => '4'
          },
          {
            'Street_Number' => '83',
            'Estimated_Cost' => 3105,
            'Permit_Number' => '5'
          }
        ];

Sorted costs:  1091, 1299, 1301, 1305, 1372, 1748, 1984, 2948, 3105,