Anyone want to buy four (4) pcs used OP42 (Dip 8 Package) for US$23.99(Shipping is not included)? Two (2) new pcs LM4562 NA (Dip 8 Package) for US$9.00 (Shipping is not included)? Two(2) used LT1028 (Dip8 Package) for US$11.99 (Shipping is not included)? Please pay by Paypal.