Let $F(t)$ represent the net earnings of Footbook, Inc. in millions of dollars $t$ years after its inception in $3020.$ It is found that $F(100)=-10$ and $F^{\text{'}}(100)=60.$ This means that, in $3120,$ which of the following is

true?

Footbook earned $$10$ million, but its net earnings were decreasing at a rate of $$60$ million per year.

Footbook's net earnings had increased by $$60$ million since the year before, but it still lost $$10$ million.

Footbook's net earnings had decreased by $$10$ million since the year before, but it still earned $$60$ million.

Footbook lost $$10$ million, but its net earnings were increasing at a rate of $$60$ million per year.

Footbook earned $$60$ million, but its earnings were decreasing at a rate of $$10$ million per year.