per in a template, Ember will call this
function and insert whatever you return from the helper into the DOM.</p>
<p>So, if we want to display a purchase total we can pass the value into the template in cents:</p>
<pre class="language-handlebars line-numbers"><code class="handlebars language-handlebars">Your total is <span class="token handlebars language-handlebars"><span class="token delimiter punctuation">{{</span><span class="token variable">format-currency</span> <span class="token number">250</span><s