my product feed is not getting price right

has i have fetched latest data of my website the prices i am getting is not corrected i am attaching few lines of xml so you can we it

<item>
        <g:id>201</g:id>
        <g:item_group_id>198</g:item_group_id>
        <g:title><![CDATA[INBIKE Unisex MTB Cycling Shorts]]></g:title>
        <g:product_type>Shorts</g:product_type>
        <g:link>https://cyclerskit.com/product/inbike-cycling-shorts-with-3d-padded-underwear-for-men-women/?attribute_pa_cb5feb1b7314637725a2e7=gel-pad&attribute_pa_6f6cb72d544962fa333e2e=xxxl</g:link>
        <g:image_link>https://cyclerskit.com/wp-content/uploads/2018/04/198-n0kbow.png</g:image_link>
        <g:availability>in stock</g:availability>
        <g:price>29.99 USD</g:price>
        <g:sale_price>16.99 USD</g:sale_price>
        <g:sale_price_effective_date>16.99 USD</g:sale_price_effective_date>
        <g:mpn><![CDATA[201]]></g:mpn>
        <g:brand>rated-5</g:brand>
        <g:condition>new</g:condition>
    </item>
    <item>
        <g:id>202</g:id>
        <g:item_group_id>198</g:item_group_id>
        <g:title><![CDATA[INBIKE Unisex MTB Cycling Shorts]]></g:title>
        <g:product_type>Shorts</g:product_type>
        <g:link>https://cyclerskit.com/product/inbike-cycling-shorts-with-3d-padded-underwear-for-men-women/?attribute_pa_cb5feb1b7314637725a2e7=foam-pad&attribute_pa_6f6cb72d544962fa333e2e=xxxl</g:link>
        <g:image_link>https://cyclerskit.com/wp-content/uploads/2018/04/198-n0kbow.png</g:image_link>
        <g:availability>in stock</g:availability>
        <g:price>27.99 USD</g:price>
        <g:sale_price>15.99 USD</g:sale_price>
        <g:sale_price_effective_date>15.99 USD</g:sale_price_effective_date>
        <g:mpn><![CDATA[202]]></g:mpn>
        <g:brand>rated-5</g:brand>
        <g:condition>new</g:condition>
    </item>

and also i am not getting sales prices of my product

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