odoo16/addons/product_margin/views/product_product_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record model="ir.ui.view" id="view_product_margin_graph">
            <field name="name">product.margin.graph</field>
            <field name="model">product.product</field>
            <field name="priority" eval="50"/>
            <field name="arch" type="xml">
                <graph string="Product Margins" sample="1">
                    <field name="product_tmpl_id"/>
                    <field name="total_margin" type="measure" operator="+"/>
                </graph>
            </field>
    </record>

     <record id="view_product_margin_form" model="ir.ui.view">
            <field name="name">product.margin.form.inherit</field>
            <field name="model">product.product</field>
            <field name="priority">50</field>
            <field name="arch" type="xml">
                 <form string="Product Margins">
                    <group col="4">
                        <field name="name"/>
                        <field name="default_code"/>
                    </group>
                    <notebook>
                    <page string="Margins" name="margins">
                        <group string="Analysis Criteria">
                            <field name="date_from"/>
                            <field name="date_to"/>
                            <newline/>
                            <field name="invoice_state" />

                            <separator string="Sales" colspan="4"/>
                            <field name="sale_avg_price" string="Avg. Unit Price"/>
                            <field name="list_price" string="Catalog Price" readonly="1"/>
                            <field name="sale_num_invoiced" />
                            <field name="sales_gap" />
                            <field name="turnover" />
                            <field name="sale_expected" />

                            <separator string="Purchases" colspan="4"/>
                            <field name="purchase_avg_price" string="Avg. Unit Price"/>
                            <field name="standard_price" string="Standard Price"/>
                            <field name="purchase_num_invoiced" />
                            <field name="purchase_gap" />
                            <field name="total_cost" />
                            <field name="normal_cost" />

                            <separator string="Margins" colspan="4"/>
                            <field name="total_margin"/>
                            <field name="expected_margin"/>
                            <field name="total_margin_rate" widget="progressbar"/>
                            <field name="expected_margin_rate" widget="progressbar"/>
                         </group>
                    </page>
                    </notebook>
                </form>
            </field>
        </record>

        <record id="view_product_margin_tree" model="ir.ui.view">
            <field name="name">product.margin.tree</field>
            <field name="model">product.product</field>
            <field name="priority" eval="50"/>
            <field name="arch" type="xml">
                <tree string="Product Margins">
                    <field name="name"/>
                    <field name="default_code"/>
                    <field name="sale_avg_price"/>
                    <field name="sale_num_invoiced"/>
                    <field name="turnover" sum="Turnover"/>
                    <field name="sales_gap" sum="Sales Gap"/>
                    <field name="total_cost" sum="Total Cost"/>
                    <field name="purchase_num_invoiced" string="# Purchased"/>
                    <field name="total_margin" sum="Total Margin"/>
                    <field name="expected_margin"/>
                    <field name="total_margin_rate"  widget="progressbar"/>
                    <field name="expected_margin_rate" widget="progressbar"/>
                    <field name="categ_id" invisible="1"/>
                    <field name="uom_id" invisible="1"/>
                    <field name="type" invisible="1"/>
                    <field name="company_id" invisible="1"/>
            </tree>
            </field>
        </record>

    <menuitem action="product_margin_act_window" id="menu_action_product_margin" name="Product Margins" sequence="20" parent="account.account_reports_management_menu"/>

</odoo>