The teacher will be very surprised to see your correct solution 😉
_____________ ____________
/ 24491 / 22041
-7* / ----------- * / ----------
/ /4989*1000\ / /3503*125\
/ 2 4/25\ 8 / |---------| 4 / |--------|
|3428740*x *0.8901 | \/ \ 5 / \/ \ 1000 / 73
log|---------------------| = ----------------------------------------- - ----
| 3 | 4 1000
| /39\ |
| 4894209*|--| |
| \50/ |
| 1000*------------- |
\ 500 /