Please express these constraints in substitution form ( example below)

without equating to the empty set

2.5.5 Exercises for Section 2.5 Exercise 2.5.1: Express the following constraints about the relations of Ex- ercise 2.3.1, reproduced here: Product (maker, model, type) PC(model, speed, ram, hd, price) Laptop (model, speed, ram, hd, screen, price) Printer (model, color, type, price) You may write your constraints either as containments or by equating an ex- pression to the empty set. For the data of Exercise 2.4.1, indicate any violations to your constraints. a) A PC with a processor speed less than 2.00 must not sell for more than $500. b) A laptop with a screen size less than 15.4 inches must have at least a 100 gigabyte hard disk or sell for less than $1000. Ti presC#(Studio) C Ticere#(onet Worth>1000000 (MovieExec)