please help in sql developer language

-Q8 Print the product code, name, and discount percentage of each product that has the same discount -percentage as another product. -Sort the query result in the increasing order of product codes. SELECT 01 .product_code as profuct_code, t2.discount percetage as diacount percentage FRa4 products_mgs 01 , products_ngs t2 WHRRE t1.discount percent LIKE t1.discount_percent: sQ. I Exeauting:saECT ti.product_code as product_code, t2 decount percetape as dscount_percentageFROM products _mgs t1, products _ng ORA. 00904: "T2*: DHSCOUNT PERCETACE": invald identifier 00904. 00000 - "\%ss invald identiet" "Couse: "Action: Error at Lnet 64 Column: 41