Question $1)$ At the beginning of the year, Oetting Company had total assets of $$787,200$ and total liabilities of $$599,600.($Treat each case independently.$)$

a$.$ If total assets tripled during the year, and total liabilities decreased by $35\%,$ what is the amount of stockholders' equity at the end of the year?

b$.$ During the year, total liabilities increased $$254,300$ and stockholders' equity increased $$44,400.$ What is the amount of total assets at the end of the year?

c$.$ If total assets increased $75\%$ and stockholders' equity increased $$123,450$ during the year