$1-$A$)$ The selected financial information of Hayma Company is given in the table below.

$\backslash$table$[[$Sales$,360,000,$Depreciation expense,$9,500],[$Operating expenses,$75,000,$Amortization expense,$7,000],[$COGS$,165,000,$Interest expense,$4,200],[$Net Profit,$14,500,$Total debt,$90,000],[$Current Assets,$38,600,$Cash and Cash Equivalents,$36,000],[$Machines$,72,000,$Bank loan,$19,000]]$

Calculate the following ratios

i$.$ EBITDA to Sales ratio

iii. Interest Coverage ratio

ii$.$ OIBD and OIBDA

iv$.$ Net Debt to EBITDA