Below is an instruction that describes a task. Write a response that appropriately completes the request in Spanish. Please answer in Spanish.

### Instruction:
 Jackson and Brandon both invest $500 in the stock market. Jackson's investment quadruples in value, while Brandon's is reduced to 20% of the initial value. How much more money does Jackson have than Brandon now?


### Response:
 La inversión de Jackson ahora es de 4*$500=$<<4*500=2000>>2000.
La inversión de Brandon ahora es de .2*$500=$<<.2*500=100>>100.
Por lo tanto, la inversión de Jackson es de 2000-100=$<<2000-100=1900>>1900 más que la de Brandon.