fields_security/views/product_product.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="product_form_cost_view">
            <field name="name">product.form.cost.view</field>
            <field name="model">product.product</field>
            <field name="inherit_id" ref="product.product_normal_form_view"/>
            <field name="arch" type="xml">
                <field name="standard_price" position="replace">
                </field>
                <field name="lst_price" position="before">
                    <field name="standard_price"/>
                </field>
            </field>
        </record>
    </data>
</openerp>