Display associated product price in custom phtml file

问题

I have a custom phtml file loaded via local.xml file. In this file I am displaying few products.Some of the products displaying are grouped products. SO I want to show the least tier price of these product.How can I get the least tier price?

来源：https://stackoverflow.com/questions/34018962/display-associated-product-price-in-custom-phtml-file