Answer and Explanation:
The computation is shown below;
a.
Inventory Unsold in Hand (90-45)	45
Unit cost Unsold (45 × 480)	$21,600.00
Shipping cost on Unit Unsold (850 ÷ 90 × 45)	$425.00
Value of Inventory (21600 + 425)	$22,025.00
b.  
Sale value (45 × 780)	$35,100.00
Less: Cost  
Unit cost Sold (21600+425)	-$22,025.00
Comission of Consignee (35,100 × 6%) -$2,106.00
Advertising cost -$210.00
Installation cost -$330.00
Net Profit	$10,429.00
c.  
Sale value (45 × 780)	$35,100.00
Less: deduction made by consignee  
Comission of Consignee (35100 × 6%)	-$2,106.00
Advertising cost	-$210.00
Installation cost	-$330.00
Net Remittance made by consignee	$32,454.00