mrp_bom_total_price/views/mrp_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="mrp_bom_form_view_inhe" model="ir.ui.view">
            <field name="model">mrp.bom</field>
            <field name="inherit_id" ref="mrp.mrp_bom_form_view" />
            <field name="arch" type="xml">
                <xpath expr="//page[@string='Components']/field[@name='bom_line_ids']/tree[@string='Components']/field[@name='product_uom']" position="after">
                    <field name="bom_prod_price"/>
                </xpath>
                <xpath expr="//form[@string='Bill of Material']/group/group/label[@for='routing_id']" position="before">
                    <label for="bom_prod_price_total" class="oe_inline"/>
                    <div>
                        <field name="bom_prod_price_total"/>
                    </div>
                    <label for="bom_prod_price_unit" class="oe_inline"/>
                    <div>
                        <field name="bom_prod_price_unit"/>
                    </div>
                </xpath>
            </field>
        </record>
        <record id="mrp.mrp_bom_tree_parent_view" model="ir.ui.view">
            <field name="name">mrp.bom.tree</field>
            <field name="model">mrp.bom</field>
            <field name="arch" type="xml">
                <tree>
                    <field name="name"/>
                    <field name="bom_prod_price_total"/>
                    <field name="bom_prod_price_unit"/>
                </tree>
            </field>
        </record>
    </data>
</openerp>