Tsang Company reports the following in its most recent year of operations:
■ Net sales, $2,000,000 (all on account)
■ Cost of goods sold, $977,500
■ Gross profit, $1,022,500
■ Accounts receivable, beginning of year, $220,000

■ Accounts receivable, end of year, $280,000
■ Merchandise inventory, beginning of year, $110,000
■ Merchandise inventory, end of year, $120,000
Based on these balances, compute:
a. The accounts receivable turnover
b. The average collection period
c. The inventory turnover
d. The average number of days in inventory