Please show how you derived and calculated all numbers and explain all steps. Thank you.

The Lux Company experiences the following unrelated events and transactions during Year 1. The company's existing current ratio is 2:1 and its quick ratio is 1.2:1. 1. Lux wrote off $5,000 of accounts receivable as uncollectible. 2. A bank notifies Lux that a customer's check for $411 is returned marked insufficient funds. The customer is bankrupt. 3. The owners of Lux Company make an additional cash investment of $7,500. 4. Inventory costing $600 is judged obsolete when a physical inventory is taken. 5. Lux declares a $5,000 cash dividend to be paid during the first week of the next reporting period. 6. Lux purchases long-term investments for $10,000. 7. Accounts payable of $9,000 are paid. 8. Lux borrows $1,200 from a bank and gives a 90 -day, 6% promissory note in exchange. 9. Lux sells a vacant lot for $20,000 that had been used in its operations. 10. A three-year insurance policy is purchased for $1,500. Required: Separately evaluate the immediate effect of each transaction on the company's: a. Current ratio. b. Quick (acid-test) ratio. c. Working capital. The Lux Company experiences the following unrelated events and transactions during Year 1. The company's existing current ratio is 2:1 and its quick ratio is 1.2:1. 1. Lux wrote off $5,000 of accounts receivable as uncollectible. 2. A bank notifies Lux that a customer's check for $411 is returned marked insufficient funds. The customer is bankrupt. 3. The owners of Lux Company make an additional cash investment of $7,500. 4. Inventory costing $600 is judged obsolete when a physical inventory is taken. 5. Lux declares a $5,000 cash dividend to be paid during the first week of the next reporting period. 6. Lux purchases long-term investments for $10,000. 7. Accounts payable of $9,000 are paid. 8. Lux borrows $1,200 from a bank and gives a 90 -day, 6% promissory note in exchange. 9. Lux sells a vacant lot for $20,000 that had been used in its operations. 10. A three-year insurance policy is purchased for $1,500. Required: Separately evaluate the immediate effect of each transaction on the company's: a. Current ratio. b. Quick (acid-test) ratio. c. Working capital