user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  lea    D145(%rip),%rdi
  movss  %xmm0,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x14(%rsp),%rsi
  lea    D116(%rip),%rdi
  call   <scanf@plt>
  movss  0x14(%rsp),%xmm1
  movss  D98(%rip),%xmm2
  movss  0xc(%rsp),%xmm0
  comiss %xmm1,%xmm2
  jbe    L92
  mulss  D82(%rip),%xmm1
  movss  D86(%rip),%xmm0
  addss  %xmm1,%xmm0
L40:
  movss  D93(%rip),%xmm1
  lea    D118(%rip),%rdi
  mov    $0x1,%eax
  maxss  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  cvtss2sd %xmm1,%xmm0
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L18
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L92:
  movss  D9(%rip),%xmm2
  comiss %xmm1,%xmm2
  jbe    L60
  mulss  D143(%rip),%xmm1
  movss  D94(%rip),%xmm0
  addss  %xmm1,%xmm0
  jmp    L40
L60:
  movss  D144(%rip),%xmm2
  comiss %xmm1,%xmm2
  ja     L98
  movss  D76(%rip),%xmm2
  comiss %xmm1,%xmm2
  jbe    L31
  mulss  D75(%rip),%xmm1
  addss  D85(%rip),%xmm1
  movaps %xmm1,%xmm0
  jmp    L40
L98:
  mulss  D17(%rip),%xmm1
  addss  D185(%rip),%xmm1
  movaps %xmm1,%xmm0
  jmp    L40
L31:
  movss  D150(%rip),%xmm2
  comiss %xmm1,%xmm2
  jbe    L40
  mulss  D38(%rip),%xmm1
  movss  D57(%rip),%xmm0
  addss  %xmm1,%xmm0
  jmp    L40
L18:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D145
type_infered: string
name: disassemble_data
arguments: label: D116
type_infered: string
name: disassemble_data
arguments: label: D98
type_infered: byte[4]
name: disassemble_data
arguments: label: D82
type_infered: byte[4]
name: disassemble_data
arguments: label: D86
type_infered: byte[4]
name: disassemble_data
arguments: label: D93
type_infered: byte[4]
name: disassemble_data
arguments: label: D118
type_infered: string
name: disassemble_data
arguments: label: D9
type_infered: byte[4]
name: disassemble_data
arguments: label: D143
type_infered: byte[4]
name: disassemble_data
arguments: label: D94
type_infered: byte[4]
name: disassemble_data
arguments: label: D144
type_infered: byte[4]
name: disassemble_data
arguments: label: D76
type_infered: byte[4]
name: disassemble_data
arguments: label: D75
type_infered: byte[4]
name: disassemble_data
arguments: label: D85
type_infered: byte[4]
name: disassemble_data
arguments: label: D17
type_infered: byte[4]
name: disassemble_data
arguments: label: D185
type_infered: byte[4]
name: disassemble_data
arguments: label: D150
type_infered: byte[4]
name: disassemble_data
arguments: label: D38
type_infered: byte[4]
name: disassemble_data
arguments: label: D57
type_infered: byte[4]

tool: D145: Enter value of a trade: 

tool: D116: %f

tool: {"D98": [0x00,0x40,0x1c,0x45]}

tool: {"D82": [0x96,0x43,0x8b,0x3c]}

tool: {"D86": [0x00,0x00,0xf0,0x41]}

tool: {"D93": [0x00,0x00,0x1c,0x42]}

tool: D118: Commission: $%1.2f


tool: {"D9": [0x00,0x50,0xc3,0x45]}

tool: {"D143": [0xd0,0x44,0xd8,0x3b]}

tool: {"D94": [0x00,0x00,0x60,0x42]}

tool: {"D144": [0x00,0x40,0x9c,0x46]}

tool: {"D76": [0x00,0x50,0x43,0x47]}

tool: {"D75": [0xe0,0x2d,0x10,0x3b]}

tool: {"D85": [0x00,0x00,0xc8,0x42]}

tool: {"D17": [0x89,0xd2,0x5e,0x3b]}

tool: {"D185": [0x00,0x00,0x98,0x42]}

tool: {"D150": [0x00,0x24,0xf4,0x48]}

tool: {"D38": [0xfa,0xed,0x6b,0x3a]}

tool: {"D57": [0x00,0x00,0x7f,0x43]}

assistant: ```c
int main(void) {
  float commission, value;
  printf("Enter value of a trade: ");
  scanf("%f", &value);
  if (value < 2500.00f) {
    commission = 30.00f + .017f * value;
  } else if (value < 6250.00f) {
    commission = 56.00f + .0066f * value;
  } else if (value < 20000.00f) {
    commission = 76.00f + .0034f * value;
  } else if (value < 50000.00f) {
    commission = 100.00f + .0022f * value;
  } else if (value < 500000.00f) {
    commission = 255.00f + .0009f * value;
  }
  if (commission < 39.00f) {
    commission = 39.00f;
  }
  printf("Commission: $%1.2f\n", commission);
  return 0;
}
```