[Bhekisisa] Healthcare doesn't come cheap, and rolling out National Health Insurance -- the government's plan to give everyone the same medical service regardless of whether they can pay for it -- will cost a lot of money. The NHI Act says that funding healthcare for all should come from tax. But with economic growth in a vice, many people being without jobs and people living longer but more getting sick, will there be enough money to cover everyone? We do some sums to look at different options.