function woo_add_cart_fee() {

global $woocommerce;

$admin_fees = get_option( 'admin_fees', 10 );
$stamp_duty = get_option( 'stamp_duty', 10 );
$refundable_deposit = get_option( 'refundable_deposit', 10 );

$woocommerce->cart->add_fee( __('Admin Fees', 'woocommerce'), $admin_fees );
$woocommerce->cart->add_fee( __('Stamp Duty', 'woocommerce'), $stamp_duty );
$woocommerce->cart->add_fee( __('Refundable Deposit', 'woocommerce'), $refundable_deposit );

}

add_action( 'woocommerce_cart_calculate_fees', 'woo_add_cart_fee' );

function woo_add_cart_fee() {

global $woocommerce;

$admin_fees = get_option( 'admin_fees', 10 );
$stamp_duty = get_option( 'stamp_duty', 10 );
$refundable_deposit = get_option( 'refundable_deposit', 10 );

$woocommerce->cart->add_fee( __('Admin Fees', 'woocommerce'), $admin_fees, TRUE, '');
$woocommerce->cart->add_fee( __('Stamp Duty', 'woocommerce'), $stamp_duty, TRUE, '' );
$woocommerce->cart->add_fee( __('Refundable Deposit', 'woocommerce'), $refundable_deposit, TRUE, '' );

}

add_action( 'woocommerce_cart_calculate_fees', 'woo_add_cart_fee' );