Consider the reaction A $->$ products. Include units in answer.

t $($s$)0102030405060$

$[$A$]($M$)1\mathrm{.}000\mathrm{.}810\mathrm{.}680\mathrm{.}540\mathrm{.}460\mathrm{.}380\mathrm{.}30$

A$.$ What is the rate in the first $10$ s$?(1$ point$)$

B$.$ What is the rate at $15$ s$?(1$ point$)$