Complete this text with the words in the box.
and
but
or
so
Companies want to reach more customers, (1) ____ they go online. It is easy
to set up an online business (2) ____ it is difficult to design and develop a website that attracts a lot of customers. Hardware (3) ___ software provide basic infrastructure for E-commerce.
Networking, customer interface and payment solutions are very important parts of a company's E-commerce solution. Customers expect a fast and reliable service (4) ___ they will go somewhere else to buy things.