How to write this judgment formula?

Question

$ Myrank = 1 to 10 No waiting

$ Price = 100

## Judging $ Myrank Value such as $ Myrank value 100%

## at the $ Price value* 100%

                       = $mymine_asset

                                                                                                                                                                                                        happen mymine_asset

                                                                                                                                                                                                                   If the cost is 30% if the value of $myRank value is 30%

                Determine $myRank If the value is $myRank, the fee will be 20%

##*10%

= $ Mymine_asSet

## $ $ $

## 10%

                                                                                                                                                                                      to $ mymine_asset                                                                                                                                                     because if the value of $myRank is the value of $myRank, the cost is 10%

                                                                                                                   Determine $myRank If the value is $myRank, the cost is 10% Fee 10%

On $ Price value*10%

= $ MyMine_asSet

$_asSet = How many