Customer Product county Essex Surrey Kent Kent pid pname county stock price cname c001 Jones co02 Smith c003 Green c004 Williams 0.50 2030 0.50 1506 1.00 1.00 2214 1.00 1114 SusseX Kent Surrey p02 wood p03 mails mer p05 screws Essex Order ordno month cid pid quantity 1011jan c0p01100 1012 janc001 p02 100 1019| feb | c001 p04-1-40 1023 mar c001 1013 1026 ma 0 po3 002 | p03 100 80 an 1015 jan c 1014 jan c003 p04 c003 p02120 102 feb c004 . Write each query in relational algebra using the given relations Customer, Product and Order: (a) List all orders made in January. (b) Find the names and prices of all products made in Kent. (c) Retrieve the order numbers, months, customer IDs and quantities of all orders placed on the product 'hammer