Please answer the questions using the fhart provided below.

A$.$ Calculate the net profit margin, the sales$-$to$-$total$-$assets ratio, and the equity multiplier for both $2018$ and $2019$ using year$-$end $($rather than average$)$ balance sheet data.

B$.$ Use the results from Part A to calculate the venture's return on equity in each year.

C$.$ Describe what happened in terms of the financial performance of Safety$-$First,

Inc., between $2018$ and $2019.$