Record the journal entry or entries for each of the following sales transactions. a. Glow Industries sells 280 strobe lights at $50 per light to a customer on May 9.
b. The cost to Glow is $23 per light. The terms of the sale are 5/15, n/40, invoice dated May 9.
c. On May 13, the customer discovers 60 of the lights are the wrong color and are granted an allowance of $10 per light for the error.
d. On May 21, the customer pays for the lights, less the allowance. Assume the gross method and a periodic inventory system is used.