Please answer all three questions per chegg guidelines

28. Which of the following increases the balance in accounts receivable?

a. Collections from customers

b. Recognizing credit loss expense

c. Write-offs

d. Service revenues earned (payment on account)

29. Calistoga Produce estimates credit loss expense at % of revenues. The company had an allowance for credit losses of $1,650 at January 1. During the year, Calistoga's revenues were $315,000 and $1,720 in accounts receivable were written off. What is Calistoga's credit loss expense for the year?

a. $1,720

b. $1,650

c. $1,505

d. $1,575

30. Calistoga Produce estimates credit loss expense at % of revenues. The company had an allowance for credit losses of $1,650 at January 1. During the year, Calistoga's revenues were $315,000 and $1,720 in accounts receivable were written off. What is Calistoga's allowance for credit losses at December 31?

a. $1,575

b. $1,505

c. $1,650

d. $1,720