$1.$ How is ratio $28$ properly caclulated using the formula of Interest Rate $=$ Interest$/$Total Debt$($bop$)$

$2.$ Assume you are a conservative lender comparing $($only$)$ these firm's Income Statements and related liquidity ratios. Based on TTM ratios, which company is safest, and what ratio did you use to make this determination?

Either "The Comp" or $"$SC$"$

a$)$ The current ratio

b$)$ Ebitda sustainability ratio

c$)$ Fixed coverage ratio

d$)$ The profit margin

e$)$ The debt to capital ratio

$3.$ What is the "inflection point" value for the Current Ratio? IE: what is the numerical value for this ratio below which may often indicate danger of bankruptcy? Report a whole number as your answer $($zero decimal places$).$