Landshark Sales, a company that wholesale sells sharks teeth to novelty stores, recieves fromone of its customers Toothless Novelties the following instrument:

Dated: February 1, 2018

Sixty days(60) after date, Ipromise to pay to the order of Landshark Sales the sum of $800(seven hundred and 00/100 dollars)with interest at the rate of 7%(seven percent) per year.This instrument is secured by the contract for sale ofthe parties which transferred to our warehouse 15 sharks teeth.

Signed:Edward Tooth Sole Proprietor

Is this instrument a negotiable instrument?State why.Identify what type of instrumentit is.Is this instrument transferable?Assume that it is presented for payment on April 1, 2018, how much was due to pay the instrument in full.How did you calculate it?