Riding Corporation manufactures and sells electric cars. Expected sales and production {in units) forthe upcoming months of 2020 are as follows: October November December Expected unit sales 1000 9,000 10,000 Units to be produced 9,000 10000 11,000 10 pounds of silver are needed to produce each car. Riding's policy has always been to have enough raw material on hand at the end of the month to cover 20% of the next month's production requirements. How many pounds of silver should Riding plan on purchasing during the month of October? {Please provide stepbystep on how to drive the nal answer: othem'ise, no point will be given.)