Which of the following statement(s) is/are $\textsf{TRUE}$ for a package of gamma-irradiated ($7.5 \: \mathrm{kGy}$) whole chicken?
- Nutritional quality of the product deteriorates after irradiation.
- Spores of $C$. botulinum can survive in the irradiated product.
- 'Radura' symbol does not ensure safety of the irradiated product for consumption.
- Energy needed for the irradiation process is much higher than that required for freezing of the product.