| 
 MARKET   DATA 
 | 
| 
 Price   of tuna 
 | 
 $15.00 
 | 
| 
 Quantity   demanded 
 | 
 1129 
 | 
| 
 Quantity   supplied 
 | 
 3763 
 | 
| 
 Excess   demand 
 | 
 -2634 
 | 
  | 
  | 
| 
 DEMAND   DATA 
 | 
| 
 Income 
 | 
$20,000 | 
| 
 Price   of tacos 
 | 
$6.00 | 
| 
 Price   of wine 
 | 
$20.00 | 
  | 
 | 
| 
 SUPPLY   DATA 
 | 
| 
 Price   of sauce 
 | 
$3.00 | 
| 
 Price   of labor 
 | 
$5.00 | 
| 
 Per   unit tax 
 | 
$0.00 | 
1. Set the price of tuna to its equilibrium level. Now the price of tacos falls to $3. At the current price of spaghetti, supply changes by what?
2. Set the price of tuna to its equilibrium level. Govt grants a subsidy of $3 per plate. What's the change in price due to the subsidy.