replace secondary and product search area with an ad banner 728x90px

Hello

since i’am love to use this theme and im using this theme for blogging purposes instead of online store. and i was able to remove secondary and product search area using this code below

function remove_storefront_default_actions() {
	remove_action( 'storefront_header' , 'storefront_secondary_navigation' , 30 );
	remove_action( 'storefront_header', 'storefront_product_search', 40 );
}
add_action( 'init', 'remove_storefront_default_actions' );

now id like to ad a banner size 728x90px on that area ? does somebody can help me ?

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