diff --git a/demos/3SM-mechsteps-old.jpeg b/demos/3SM-mechsteps-old.jpeg
new file mode 100644
index 0000000..b49cfbd
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diff --git a/demos/3SM-mechsteps.jpeg b/demos/3SM-mechsteps.jpeg
index b49cfbd..71227d7 100644
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diff --git a/demos/ThreeSidedMarket.ipynb b/demos/ThreeSidedMarket.ipynb
index ca83835..36c6a62 100644
--- a/demos/ThreeSidedMarket.ipynb
+++ b/demos/ThreeSidedMarket.ipynb
@@ -173,6 +173,8 @@
     "env_processes = {}\n",
     "initial_condition = {\n",
     "    'fiat_reserve': float(2000),#unit: fiat\n",
+    "    'overhead_costs': float(100), #unit: fiat\n",
+    "    'operational_budget': float(2000), #unit: fiat\n",
     "    'token_reserve': float(2000),#unit: tok\n",
     "    'token_supply': float(5000),#unit: tok\n",
     "    'tx_volume': float(2000), #unit: fiat\n",
@@ -307,6 +309,19 @@
     "    return {'tokens_paid': tokens_paid}"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#governance decision ~ system policy for budgeting to cover overhead costs\n",
+    "\n",
+    "def producer_compensation_policy(step, sL, s):\n",
+    "    budget_released = \n",
+    "    return {'budget_released': budget_released}"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -416,7 +431,13 @@
    "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "def release_funds(step, sL, s, _input):\n",
+    "    #tokens outbound\n",
+    "    y = 'fiat_reserve'\n",
+    "    x = s['fiat_reserve'] - _input['budget_released']\n",
+    "    return (y, x)"
+   ]
   },
   {
    "cell_type": "code",