Answer:
a. Sales January February March
Cash sales $47,000 $52,170 $57,908.7
Sales on account $103,000 $114,330 $126,906.3
Total budgeted sales $150,000 $166,500 $184,815
Workings
February Cash sales: 47,000*11% = $47,000 + $5170 = $52,170
February Sales on account: $103,000*11% = $103,000 + $11,330 = $114,330
March Cash sales: $52,170 * 11% = $52,170 + $5738.70 = $57,908.7
March Sales on account: $114,330 * 11% = $114,330 + $12,576.3 = $126,906.3
b. Sales revenue in first quarter = $150,000 + $166,500 + $184,815
Sales revenue in first quarter = $501,315