Interpreting Bond Footnote Disclosures and Computing Effective Interest Rate

In $2019,$ French grocery retailer Carrefour issued bonds as follows.

a$.$ Determine the annual interest payments. $,$ million

b$.$ Determine the effective interest rate.

Note: Round percentage to three decimal places $($for example, enter $6\mathrm{.}656\%$ for $6\mathrm{.}6555\%).$

$\%$

c$.$ What amount of interest expense does the company report related to these bonds for the fiscal year ended December $31,2019?$

Note: Round your answers $($in millions$)$ to two decimal places.

$$

$x$ million