Name an error present in the following pseudocode.

start

Declarations

global num merchCost

output "Enter purchase total: $"$

$1$nput merchCost

calculateSalesTax$()$

output "Please pay $",($merchCost $+$ salesIax$)$

stop

calculatesaleaTax$()$

Declorations

su$$ coleszan

Suak taxilate $=,$ OB