Use the information below to answer the following question:

$($in $$000$s$)$

$$

EBITDA

$$510$

Short$-$term debt

$180$

Prior year current portion of long$-$term debt

$200$

Total long$-$term debt

$600$

Subordinated debt

$150$

Interest on unsubordinated debt$$

$40$

Subordinated debt is not amortising. What is the business$$s ratio of EBITDA to senior debt?

$0\mathrm{.}74$ to $1$

$1\mathrm{.}3$ to $1$

$2\mathrm{.}1$ to $1$