Consider a high end diamond brand $($called 'Diamond & Co$.\text{'})$ with high profit margins relying on customer experience in its stores as well as its branding. Now compare this with an online diamond retailer $($called 'Diamond Online'$)$ with less profit margins on similar pieces of diamond it sells to customers. What should be the primary focus of Diamond Online supply chain?

Choose only one option

$1$ point

Lowering costs of operations

Responding quickly to customer demand

Decreasing response times

Minimizing stock$-$outs