Consider the following relational schema Product(maker, model, type) .PC(model, speed, ram, hd, price) Laptop(model, speed, ram, hd, screen, price) Printer(model, color, type, price) Write the SQL statement for each of the following queries (6 points per query): 1. Find the ram size and the screen size for laptops costing less than $1000 2. Find those ram sizes that occur in two or more laptops 3. Find the makers of PCs with price higher than all the printers. 4. Find, for each maker, the minimum screen size of its laptops. 5. Delete all the PCs with hd less than 120