Required information

$[$The following information applies to the questions displayed below.$]$

Autumn Company began the month of October with inventory of $$31,000.$ The following inventory transactions occurred during the month:

a$.$ The company purchased inventory on account for $$46,000$ on October $12.$ Terms of the purchase were $\frac{2}{10},\frac{n}{30}.$ Autumn uses the net method to record purchases. The inventory was shipped f$.$o$.$b$.$ shipping point and freight charges of $$660$ were paid in cash.

b$.$ On October $31,$ Autumn paid for the inventory purchased on October $12.$

c$.$ During October inventory costing $$20,400$ was sold on account for $$31,200.$

d$.$ It was determined that inventory on hand at the end of October cost $$56,340.$