Select the correct option to fill in all the blanks to complete the passage:
The (i)\underline{\hspace{1cm}} factor amid this turbulence has been the (ii)\underline{\hspace{1cm}} of high-octane, action-oriented films such as RRR, K.G.F: Chapter 2 and Pushpa from film industries in the south of the country. Traditionally, films made in the south have done well in their own (iii)\underline{\hspace{1cm}}. But increasingly, their dubbed versions have performed well in the Hindi heartland, with collections (iv)\underline{\hspace{1cm}} those of their Bollywood counterparts.