A company operates a diaper subscription service where weekly diaper packages are sent directly to the house of their clients. The company takes orders and provides product acknowledgments through phone calls and mailers. Which activities would best help the company move to an e$-$commerce model?

a$.$

Creating a web page to advertise their services.

b$.$

Using IoT integrated into their products.

c$.$

Taking orders through the webpage and acknowledgment through e$-$mail.

d$.$

Building a new factory that uses IoT to make quality controls.