$1.$ Open the ABC Markets database you worked on in the class and write the following SQL queries representing the following transaction: On June $1,2018,$ customer $10014$ makes a cash purchase of $2$ units of product $13-$Q$2/$P$2$ with a unit price of $$14\mathrm{.}99.$ The invoice number is $10984,$ and this invoice has only one product line.

$2.$ Create a transaction log to represent the actions of the transactions in Problems a and b in the class activities.